20211121022202 has 24 divisors (see below), whose sum is σ = 47771740598400. Its totient is φ = 6124582127880.

The previous prime is 20211121022159. The next prime is 20211121022221. The reversal of 20211121022202 is 20222012111202.

It is a happy number.

20211121022202 is a `hidden beast` number, since 20 + 211 + 1 + 210 + 2 + 220 + 2 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51038184202 + ... + 51038184597.

It is an arithmetic number, because the mean of its divisors is an integer number (1990489191600).

Almost surely, 2^{20211121022202} is an apocalyptic number.

20211121022202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20211121022202 is an abundant number, since it is smaller than the sum of its proper divisors (27560619576198).

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

20211121022202 is a wasteful number, since it uses less digits than its factorization.

20211121022202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102076368818 (or 102076368815 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20211121022202 its reverse (20222012111202), we get a palindrome (40433133133404).

The spelling of 20211121022202 in words is "twenty trillion, two hundred eleven billion, one hundred twenty-one million, twenty-two thousand, two hundred two".