211122201022122 has 32 divisors (see below), whose sum is σ = 478657621753920. Its totient is φ = 61541694224640.

The previous prime is 211122201022097. The next prime is 211122201022123. The reversal of 211122201022122 is 221220102221112.

211122201022122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (211122201022123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71228811279 + ... + 71228814242.

It is an arithmetic number, because the mean of its divisors is an integer number (14958050679810).

Almost surely, 2^{211122201022122} is an apocalyptic number.

211122201022122 is an abundant number, since it is smaller than the sum of its proper divisors (267535420731798).

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

211122201022122 is a wasteful number, since it uses less digits than its factorization.

211122201022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142457625558.

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

Adding to 211122201022122 its reverse (221220102221112), we get a palindrome (432342303243234).

The spelling of 211122201022122 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred one million, twenty-two thousand, one hundred twenty-two".