202120100121112 has 16 divisors (see below), whose sum is σ = 379141332078600. Its totient is φ = 101015744900160.

The previous prime is 202120100121109. The next prime is 202120100121113. The reversal of 202120100121112 is 211121001021202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202120100121113) 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, 5538125662 + ... + 5538162157.

Almost surely, 2^{202120100121112} is an apocalyptic number.

It is an amenable number.

202120100121112 is a deficient number, since it is larger than the sum of its proper divisors (177021231957488).

202120100121112 is a wasteful number, since it uses less digits than its factorization.

202120100121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11076290106 (or 11076290102 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202120100121112 its reverse (211121001021202), we get a palindrome (413241101142314).

The spelling of 202120100121112 in words is "two hundred two trillion, one hundred twenty billion, one hundred million, one hundred twenty-one thousand, one hundred twelve".