202000022111021 has 8 divisors (see below), whose sum is σ = 204001447298400. Its totient is φ = 199998624864400.

The previous prime is 202000022111009. The next prime is 202000022111047. The reversal of 202000022111021 is 120111220000202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202000022111021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202000022110987 and 202000022111005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202000022111051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7697750 + ... + 21523368.

It is an arithmetic number, because the mean of its divisors is an integer number (25500180912300).

Almost surely, 2^{202000022111021} is an apocalyptic number.

It is an amenable number.

202000022111021 is a deficient number, since it is larger than the sum of its proper divisors (2001425187379).

202000022111021 is a wasteful number, since it uses less digits than its factorization.

202000022111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13970379.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202000022111021 its reverse (120111220000202), we get a palindrome (322111242111223).

The spelling of 202000022111021 in words is "two hundred two trillion, twenty-two million, one hundred eleven thousand, twenty-one".