202110212012022 has 24 divisors (see below), whose sum is σ = 440591995926264. Its totient is φ = 66956757352704.

The previous prime is 202110212011933. The next prime is 202110212012057. The reversal of 202110212012022 is 220210212011202.

It is a happy number.

202110212012022 is a `hidden beast` number, since 202 + 110 + 212 + 0 + 120 + 22 = 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 = 202110212011986 and 202110212012004.

It is a congruent number.

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, 34442773483 + ... + 34442779350.

It is an arithmetic number, because the mean of its divisors is an integer number (18357999830261).

Almost surely, 2^{202110212012022} is an apocalyptic number.

202110212012022 is an abundant number, since it is smaller than the sum of its proper divisors (238481783914242).

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

202110212012022 is a wasteful number, since it uses less digits than its factorization.

202110212012022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68885553004 (or 68885553001 counting only the distinct ones).

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

Adding to 202110212012022 its reverse (220210212011202), we get a palindrome (422320424023224).

The spelling of 202110212012022 in words is "two hundred two trillion, one hundred ten billion, two hundred twelve million, twelve thousand, twenty-two".