122211011221122 has 16 divisors (see below), whose sum is σ = 244431949311360. Its totient is φ = 40735349262192.

The previous prime is 122211011221097. The next prime is 122211011221129. The reversal of 122211011221122 is 221122110112221.

It is not an unprimeable number, because it can be changed into a prime (122211011221129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413459497 + ... + 413754972.

It is an arithmetic number, because the mean of its divisors is an integer number (15276996831960).

Almost surely, 2^{122211011221122} is an apocalyptic number.

122211011221122 is an abundant number, since it is smaller than the sum of its proper divisors (122220938090238).

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

122211011221122 is a wasteful number, since it uses less digits than its factorization.

122211011221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827239097.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 122211011221122 its reverse (221122110112221), we get a palindrome (343333121333343).

The spelling of 122211011221122 in words is "one hundred twenty-two trillion, two hundred eleven billion, eleven million, two hundred twenty-one thousand, one hundred twenty-two".