211122012122022 has 32 divisors (see below), whose sum is σ = 437203801248480. Its totient is φ = 67885148298240.

The previous prime is 211122012121963. The next prime is 211122012122053. The reversal of 211122012122022 is 220221210221112.

It is a super-2 number, since 2×211122012122022² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 211122012122022.

It is a congruent number.

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, 554862379 + ... + 555242742.

It is an arithmetic number, because the mean of its divisors is an integer number (13662618789015).

Almost surely, 2^{211122012122022} is an apocalyptic number.

211122012122022 is an abundant number, since it is smaller than the sum of its proper divisors (226081789126458).

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

211122012122022 is a wasteful number, since it uses less digits than its factorization.

211122012122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110106248.

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

Adding to 211122012122022 its reverse (220221210221112), we get a palindrome (431343222343134).

The spelling of 211122012122022 in words is "two hundred eleven trillion, one hundred twenty-two billion, twelve million, one hundred twenty-two thousand, twenty-two".