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102222202011020 = 225721335929037699
BaseRepresentation
bin10111001111100001110110…
…000010011111110110001100
3111101221100101000110002020122
4113033201312002133312030
5101344302032203323040
61001224121544004112
730350211313444400
oct2717416602376614
9441840330402218
10102222202011020
112a6312131206a3
12b56b420760638
13450668765abc0
141b3581c2ab100
15bc4079e551b5
hex5cf87609fd8c

102222202011020 has 288 divisors, whose sum is σ = 269800046208000. Its totient is φ = 32246223883776.

The previous prime is 102222202010983. The next prime is 102222202011047. The reversal of 102222202011020 is 20110202222201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102222202011020.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13277331131 + ... + 13277338829.

It is an arithmetic number, because the mean of its divisors is an integer number (936805716000).

Almost surely, 2102222202011020 is an apocalyptic number.

102222202011020 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 102222202011020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134900023104000).

102222202011020 is an abundant number, since it is smaller than the sum of its proper divisors (167577844196980).

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

102222202011020 is a wasteful number, since it uses less digits than its factorization.

102222202011020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10997 (or 10988 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102222202011020 its reverse (20110202222201), we get a palindrome (122332404233221).

The spelling of 102222202011020 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred two million, eleven thousand, twenty".