202112112121202 has 8 divisors (see below), whose sum is σ = 306169833213612. Its totient is φ = 100055501050000.

The previous prime is 202112112121187. The next prime is 202112112121253. The reversal of 202112112121202 is 202121211211202.

It can be written as a sum of positive squares in 2 ways, for example, as 186883144411441 + 15228967709761 = 13670521^2 + 3902431^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 500277505049 + ... + 500277505452.

Almost surely, 2^{202112112121202} is an apocalyptic number.

202112112121202 is a deficient number, since it is larger than the sum of its proper divisors (104057721092410).

202112112121202 is a wasteful number, since it uses less digits than its factorization.

202112112121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000555010604.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 202112112121202 its reverse (202121211211202), we get a palindrome (404233323332404).

The spelling of 202112112121202 in words is "two hundred two trillion, one hundred twelve billion, one hundred twelve million, one hundred twenty-one thousand, two hundred two".