211121011202022 has 80 divisors (see below), whose sum is σ = 476482433011200. Its totient is φ = 69865681258800.

The previous prime is 211121011201949. The next prime is 211121011202033. The reversal of 211121011202022 is 220202110121112.

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 = 211121011201986 and 211121011202004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1205773879 + ... + 1205948957.

It is an arithmetic number, because the mean of its divisors is an integer number (5956030412640).

Almost surely, 2^{211121011202022} is an apocalyptic number.

211121011202022 is an abundant number, since it is smaller than the sum of its proper divisors (265361421809178).

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

211121011202022 is a wasteful number, since it uses less digits than its factorization.

211121011202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228783 (or 228774 counting only the distinct ones).

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

Adding to 211121011202022 its reverse (220202110121112), we get a palindrome (431323121323134).

The spelling of 211121011202022 in words is "two hundred eleven trillion, one hundred twenty-one billion, eleven million, two hundred two thousand, twenty-two".