2021200022210 has 16 divisors (see below), whose sum is σ = 3763613835000. Its totient is φ = 780601387776.

The previous prime is 2021200022183. The next prime is 2021200022213. The reversal of 2021200022210 is 122200021202.

It can be written as a sum of positive squares in 4 ways, for example, as 1646574009721 + 374626012489 = 1283189^2 + 612067^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021200022213) 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, 3484827335 + ... + 3484827914.

Almost surely, 2^{2021200022210} is an apocalyptic number.

2021200022210 is a deficient number, since it is larger than the sum of its proper divisors (1742413812790).

2021200022210 is a wasteful number, since it uses less digits than its factorization.

2021200022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6969655285.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2021200022210 its reverse (122200021202), we get a palindrome (2143400043412).

The spelling of 2021200022210 in words is "two trillion, twenty-one billion, two hundred million, twenty-two thousand, two hundred ten".