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102222021110220 = 22365112151383729
BaseRepresentation
bin10111001111100001101011…
…010000011010100111001100
3111101221022220102001101000000
4113033201223100122213030
5101344301144401011340
61001224052002404300
730350203656014664
oct2717415320324714
9441838812041000
10102222021110220
112a63112aaa3200
12b56b390060690
13450665902cccb
141b3580225b1a4
15bc406911ed30
hex5cf86b41a9cc

102222021110220 has 504 divisors, whose sum is σ = 356115137626080. Its totient is φ = 24616918656000.

The previous prime is 102222021110207. The next prime is 102222021110243. The reversal of 102222021110220 is 22011120222201.

It is a happy number.

102222021110220 is a `hidden beast` number, since 1 + 0 + 2 + 2 + 220 + 211 + 10 + 220 = 666.

102222021110220 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102222021110193 and 102222021110202.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 266199316 + ... + 266583044.

It is an arithmetic number, because the mean of its divisors is an integer number (706577654020).

Almost surely, 2102222021110220 is an apocalyptic number.

102222021110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102222021110220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178057568813040).

102222021110220 is an abundant number, since it is smaller than the sum of its proper divisors (253893116515860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102222021110220 is a wasteful number, since it uses less digits than its factorization.

102222021110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383929 (or 383901 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 102222021110220 its reverse (22011120222201), we get a palindrome (124233141332421).

The spelling of 102222021110220 in words is "one hundred two trillion, two hundred twenty-two billion, twenty-one million, one hundred ten thousand, two hundred twenty".