202001221211112 has 96 divisors (see below), whose sum is σ = 549797553396000. Its totient is φ = 67000706962560.

The previous prime is 202001221210973. The next prime is 202001221211129. The reversal of 202001221211112 is 211112122100202.

202001221211112 is a `hidden beast` number, since 20 + 200 + 1 + 221 + 211 + 1 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9277339 + ... + 22137557.

It is an arithmetic number, because the mean of its divisors is an integer number (5727057847875).

Almost surely, 2^{202001221211112} is an apocalyptic number.

It is an amenable number.

202001221211112 is an abundant number, since it is smaller than the sum of its proper divisors (347796332184888).

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

202001221211112 is a wasteful number, since it uses less digits than its factorization.

202001221211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12861311 (or 12861304 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 202001221211112 its reverse (211112122100202), we get a palindrome (413113343311314).

The spelling of 202001221211112 in words is "two hundred two trillion, one billion, two hundred twenty-one million, two hundred eleven thousand, one hundred twelve".