202112022194 has 8 divisors (see below), whose sum is σ = 321001447068. Its totient is φ = 95111539840.

The previous prime is 202112022191. The next prime is 202112022223. The reversal of 202112022194 is 491220211202.

It can be written as a sum of positive squares in 2 ways, for example, as 169237618225 + 32874403969 = 411385^2 + 181313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (202112022191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2972235587 + ... + 2972235654.

Almost surely, 2^202112022194 is an apocalyptic number.

202112022194 is a deficient number, since it is larger than the sum of its proper divisors (118889424874).

202112022194 is a wasteful number, since it uses less digits than its factorization.

202112022194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944471260.

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 202112022194 its reverse (491220211202), we get a palindrome (693332233396).

The spelling of 202112022194 in words is "two hundred two billion, one hundred twelve million, twenty-two thousand, one hundred ninety-four".