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101020211220220 = 2255051010561011
BaseRepresentation
bin10110111110000010011001…
…110011100000111011111100
3111020200102211012201022200121
4112332002121303200323330
5101220103343033021340
6554504013325504324
730164320002343465
oct2676023163407374
9436612735638617
10101020211220220
112a208481707a56
12b3b64884120a4
13444a21b7a1796
141ad3593603d6c
15ba2b7a5c594a
hex5be099ce0efc

101020211220220 has 12 divisors (see below), whose sum is σ = 212142443562504. Its totient is φ = 40408084488080.

The previous prime is 101020211220179. The next prime is 101020211220281. The reversal of 101020211220220 is 22022112020101.

It is a happy number.

101020211220220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 101020211220194 and 101020211220203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2525505280486 + ... + 2525505280525.

It is an arithmetic number, because the mean of its divisors is an integer number (17678536963542).

Almost surely, 2101020211220220 is an apocalyptic number.

101020211220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101020211220220 is an abundant number, since it is smaller than the sum of its proper divisors (111122232342284).

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

101020211220220 is a wasteful number, since it uses less digits than its factorization.

101020211220220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051010561020 (or 5051010561018 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101020211220220 its reverse (22022112020101), we get a palindrome (123042323240321).

The spelling of 101020211220220 in words is "one hundred one trillion, twenty billion, two hundred eleven million, two hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 5051010561011 10102021122022 20204042244044 25255052805055 50510105610110 101020211220220