122220112221210 has 16 divisors (see below), whose sum is σ = 293328269330976. Its totient is φ = 32592029925648.

The previous prime is 122220112221173. The next prime is 122220112221227. The reversal of 122220112221210 is 12122211022221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037001870324 + ... + 2037001870383.

It is an arithmetic number, because the mean of its divisors is an integer number (18333016833186).

Almost surely, 2^{122220112221210} is an apocalyptic number.

122220112221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122220112221210 is an abundant number, since it is smaller than the sum of its proper divisors (171108157109766).

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

122220112221210 is a wasteful number, since it uses less digits than its factorization.

122220112221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074003740717.

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

Adding to 122220112221210 its reverse (12122211022221), we get a palindrome (134342323243431).

The spelling of 122220112221210 in words is "one hundred twenty-two trillion, two hundred twenty billion, one hundred twelve million, two hundred twenty-one thousand, two hundred ten".