122100210111220 has 96 divisors (see below), whose sum is σ = 296186148720000. Its totient is φ = 41786681610240.

The previous prime is 122100210111179. The next prime is 122100210111239. The reversal of 122100210111220 is 22111012001221.

It is a super-2 number, since 2×122100210111220² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122100210111194 and 122100210111203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97549387 + ... + 98793133.

It is an arithmetic number, because the mean of its divisors is an integer number (3085272382500).

Almost surely, 2^{122100210111220} is an apocalyptic number.

122100210111220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122100210111220 is an abundant number, since it is smaller than the sum of its proper divisors (174085938608780).

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

122100210111220 is a wasteful number, since it uses less digits than its factorization.

122100210111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270033 (or 1270031 counting only the distinct ones).

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

Adding to 122100210111220 its reverse (22111012001221), we get a palindrome (144211222112441).

The spelling of 122100210111220 in words is "one hundred twenty-two trillion, one hundred billion, two hundred ten million, one hundred eleven thousand, two hundred twenty".