101221222012122 has 16 divisors (see below), whose sum is σ = 203987806193952. Its totient is φ = 33482846975760.

The previous prime is 101221222012087. The next prime is 101221222012133. The reversal of 101221222012122 is 221210222122101.

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, 64390089553 + ... + 64390091124.

It is an arithmetic number, because the mean of its divisors is an integer number (12749237887122).

Almost surely, 2^{101221222012122} is an apocalyptic number.

101221222012122 is an abundant number, since it is smaller than the sum of its proper divisors (102766584181830).

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

101221222012122 is a wasteful number, since it uses less digits than its factorization.

101221222012122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128780180813.

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

Adding to 101221222012122 its reverse (221210222122101), we get a palindrome (322431444134223).

The spelling of 101221222012122 in words is "one hundred one trillion, two hundred twenty-one billion, two hundred twenty-two million, twelve thousand, one hundred twenty-two".