202121113301312 has 56 divisors (see below), whose sum is σ = 429114982398240. Its totient is φ = 94172045852160.

The previous prime is 202121113301269. The next prime is 202121113301333. The reversal of 202121113301312 is 213103311121202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1362368618 + ... + 1362516969.

Almost surely, 2^{202121113301312} is an apocalyptic number.

It is an amenable number.

202121113301312 is an abundant number, since it is smaller than the sum of its proper divisors (226993869096928).

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

202121113301312 is a wasteful number, since it uses less digits than its factorization.

202121113301312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724885679 (or 2724885669 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 202121113301312 its reverse (213103311121202), we get a palindrome (415224424422514).

The spelling of 202121113301312 in words is "two hundred two trillion, one hundred twenty-one billion, one hundred thirteen million, three hundred one thousand, three hundred twelve".