102122100111220 has 48 divisors (see below), whose sum is σ = 245093618004480. Its totient is φ = 35013208932864.

The previous prime is 102122100111203. The next prime is 102122100111233. The reversal of 102122100111220 is 22111001221201.

It is a super-2 number, since 2×102122100111220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102122100111194 and 102122100111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106102501 + ... + 107060659.

It is an arithmetic number, because the mean of its divisors is an integer number (5106117041760).

Almost surely, 2^{102122100111220} is an apocalyptic number.

102122100111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102122100111220 is an abundant number, since it is smaller than the sum of its proper divisors (142971517893260).

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

102122100111220 is a wasteful number, since it uses less digits than its factorization.

102122100111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719472 (or 1719470 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102122100111220 its reverse (22111001221201), we get a palindrome (124233101332421).

The spelling of 102122100111220 in words is "one hundred two trillion, one hundred twenty-two billion, one hundred million, one hundred eleven thousand, two hundred twenty".