211122220120122 has 64 divisors (see below), whose sum is σ = 432881548824960. Its totient is φ = 68619001651200.

The previous prime is 211122220120117. The next prime is 211122220120139. The reversal of 211122220120122 is 221021022221112.

It is a super-2 number, since 2×211122220120122² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30749722 + ... + 36983642.

It is an arithmetic number, because the mean of its divisors is an integer number (6763774200390).

Almost surely, 2^{211122220120122} is an apocalyptic number.

211122220120122 is an abundant number, since it is smaller than the sum of its proper divisors (221759328704838).

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

211122220120122 is a wasteful number, since it uses less digits than its factorization.

211122220120122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6234639.

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

Adding to 211122220120122 its reverse (221021022221112), we get a palindrome (432143242341234).

The spelling of 211122220120122 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty thousand, one hundred twenty-two".