122212210021122 has 64 divisors (see below), whose sum is σ = 264385317127680. Its totient is φ = 37438194726144.

The previous prime is 122212210021073. The next prime is 122212210021123. The reversal of 122212210021122 is 221120012212221.

It is a super-2 number, since 2×122212210021122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122212210021123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 566599848 + ... + 566815500.

It is an arithmetic number, because the mean of its divisors is an integer number (4131020580120).

Almost surely, 2^{122212210021122} is an apocalyptic number.

122212210021122 is an abundant number, since it is smaller than the sum of its proper divisors (142173107106558).

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

122212210021122 is a wasteful number, since it uses less digits than its factorization.

122212210021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247627.

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

Adding to 122212210021122 its reverse (221120012212221), we get a palindrome (343332222233343).

The spelling of 122212210021122 in words is "one hundred twenty-two trillion, two hundred twelve billion, two hundred ten million, twenty-one thousand, one hundred twenty-two".