122221212102120 has 64 divisors (see below), whose sum is σ = 376573464328320. Its totient is φ = 31711449625344.

The previous prime is 122221212102103. The next prime is 122221212102149. The reversal of 122221212102120 is 21201212122221.

It is a super-2 number, since 2×122221212102120² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13763645572 + ... + 13763654451.

It is an arithmetic number, because the mean of its divisors is an integer number (5883960380130).

Almost surely, 2^{122221212102120} is an apocalyptic number.

122221212102120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221212102120 is an abundant number, since it is smaller than the sum of its proper divisors (254352252226200).

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

122221212102120 is a wasteful number, since it uses less digits than its factorization.

122221212102120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27527300074 (or 27527300070 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122221212102120 its reverse (21201212122221), we get a palindrome (143422424224341).

The spelling of 122221212102120 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred twelve million, one hundred two thousand, one hundred twenty".