200021121010022 has 32 divisors (see below), whose sum is σ = 323338115822400. Its totient is φ = 92252574868608.

The previous prime is 200021121009991. The next prime is 200021121010027. The reversal of 200021121010022 is 220010121120002.

It is a junction number, because it is equal to n+sod(n) for n = 200021121009979 and 200021121010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200021121010027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 383960504 + ... + 384481092.

It is an arithmetic number, because the mean of its divisors is an integer number (10104316119450).

Almost surely, 2^{200021121010022} is an apocalyptic number.

200021121010022 is a deficient number, since it is larger than the sum of its proper divisors (123316994812378).

200021121010022 is a wasteful number, since it uses less digits than its factorization.

200021121010022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530960.

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

Adding to 200021121010022 its reverse (220010121120002), we get a palindrome (420031242130024).

The spelling of 200021121010022 in words is "two hundred trillion, twenty-one billion, one hundred twenty-one million, ten thousand, twenty-two".