122221022011100 has 36 divisors (see below), whose sum is σ = 267566694052224. Its totient is φ = 48455768014080.

The previous prime is 122221022011087. The next prime is 122221022011141. The reversal of 122221022011100 is 1110220122221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5407998524 + ... + 5408021123.

Almost surely, 2^{122221022011100} is an apocalyptic number.

122221022011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122221022011100 is an abundant number, since it is smaller than the sum of its proper divisors (145345672041124).

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

122221022011100 is a wasteful number, since it uses less digits than its factorization.

122221022011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10816019774 (or 10816019767 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122221022011100 its reverse (1110220122221), we get a palindrome (123331242133321).

The spelling of 122221022011100 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, twenty-two million, eleven thousand, one hundred".