200121020222202 has 48 divisors (see below), whose sum is σ = 437200050295008. Its totient is φ = 66153154036320.

The previous prime is 200121020222183. The next prime is 200121020222219. The reversal of 200121020222202 is 202222020121002.

200121020222202 is a `hidden beast` number, since 200 + 1 + 21 + 0 + 20 + 222 + 202 = 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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25117033 + ... + 32110860.

It is an arithmetic number, because the mean of its divisors is an integer number (9108334381146).

Almost surely, 2^{200121020222202} is an apocalyptic number.

200121020222202 is an abundant number, since it is smaller than the sum of its proper divisors (237079030072806).

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

200121020222202 is a wasteful number, since it uses less digits than its factorization.

200121020222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57229515 (or 57229512 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 200121020222202 its reverse (202222020121002), we get a palindrome (402343040343204).

The spelling of 200121020222202 in words is "two hundred trillion, one hundred twenty-one billion, twenty million, two hundred twenty-two thousand, two hundred two".