211122100120122 has 32 divisors (see below), whose sum is σ = 469161741936960. Its totient is φ = 70373805456240.

The previous prime is 211122100120033. The next prime is 211122100120159. The reversal of 211122100120122 is 221021001221112.

211122100120122 is a `hidden beast` number, since 211 + 1 + 2 + 210 + 0 + 120 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211122100120095 and 211122100120104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10928628 + ... + 23274000.

It is an arithmetic number, because the mean of its divisors is an integer number (14661304435530).

Almost surely, 2^{211122100120122} is an apocalyptic number.

211122100120122 is an abundant number, since it is smaller than the sum of its proper divisors (258039641816838).

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

211122100120122 is a wasteful number, since it uses less digits than its factorization.

211122100120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12662075 (or 12662069 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211122100120122 its reverse (221021001221112), we get a palindrome (432143101341234).

The spelling of 211122100120122 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred million, one hundred twenty thousand, one hundred twenty-two".