202100121112202 has 4 divisors (see below), whose sum is σ = 303150181668306. Its totient is φ = 101050060556100.

The previous prime is 202100121112189. The next prime is 202100121112327. The reversal of 202100121112202 is 202211121001202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 116803979992921 + 85296141119281 = 10807589^2 + 9235591^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50525030278049 + ... + 50525030278052.

Almost surely, 2^{202100121112202} is an apocalyptic number.

202100121112202 is a deficient number, since it is larger than the sum of its proper divisors (101050060556104).

202100121112202 is a wasteful number, since it uses less digits than its factorization.

202100121112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101050060556103.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202100121112202 its reverse (202211121001202), we get a palindrome (404311242113404).

The spelling of 202100121112202 in words is "two hundred two trillion, one hundred billion, one hundred twenty-one million, one hundred twelve thousand, two hundred two".