211122111022122 has 16 divisors (see below), whose sum is σ = 422262549688320. Its totient is φ = 70370982400032.

The previous prime is 211122111022091. The next prime is 211122111022133. The reversal of 211122111022122 is 221220111221112.

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, 763502083 + ... + 763778550.

It is an arithmetic number, because the mean of its divisors is an integer number (26391409355520).

Almost surely, 2^{211122111022122} is an apocalyptic number.

211122111022122 is an abundant number, since it is smaller than the sum of its proper divisors (211140438666198).

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

211122111022122 is a wasteful number, since it uses less digits than its factorization.

211122111022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527303677.

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

Adding to 211122111022122 its reverse (221220111221112), we get a palindrome (432342222243234).

The spelling of 211122111022122 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred eleven million, twenty-two thousand, one hundred twenty-two".