202220112211164 has 36 divisors (see below), whose sum is σ = 511167941441976. Its totient is φ = 67406646631968.

The previous prime is 202220112211163. The next prime is 202220112211171. The reversal of 202220112211164 is 461112211022202.

202220112211164 is a `hidden beast` number, since 202 + 220 + 1 + 1 + 221 + 1 + 16 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202220112211163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72827502 + ... + 75553194.

Almost surely, 2^{202220112211164} is an apocalyptic number.

It is an amenable number.

202220112211164 is an abundant number, since it is smaller than the sum of its proper divisors (308947829230812).

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

202220112211164 is a wasteful number, since it uses less digits than its factorization.

202220112211164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786546 (or 4786541 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

Adding to 202220112211164 its reverse (461112211022202), we get a palindrome (663332323233366).

The spelling of 202220112211164 in words is "two hundred two trillion, two hundred twenty billion, one hundred twelve million, two hundred eleven thousand, one hundred sixty-four".