122221212210120 has 64 divisors (see below), whose sum is σ = 385961722776000. Its totient is φ = 30876937820928.

The previous prime is 122221212210059. The next prime is 122221212210121. The reversal of 122221212210120 is 21012212122221.

It is a super-2 number, since 2×122221212210120² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122221212210121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26802895135 + ... + 26802899694.

It is an arithmetic number, because the mean of its divisors is an integer number (6030651918375).

Almost surely, 2^{122221212210120} is an apocalyptic number.

122221212210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221212210120 is an abundant number, since it is smaller than the sum of its proper divisors (263740510565880).

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

122221212210120 is a wasteful number, since it uses less digits than its factorization.

122221212210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53605794862 (or 53605794858 counting only the distinct ones).

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

Adding to 122221212210120 its reverse (21012212122221), we get a palindrome (143233424332341).

The spelling of 122221212210120 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, two hundred twelve million, two hundred ten thousand, one hundred twenty".