220200121210202 has 24 divisors (see below), whose sum is σ = 397475940120660. Its totient is φ = 91117291534080.

The previous prime is 220200121210189. The next prime is 220200121210217. The reversal of 220200121210202 is 202012121002022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 210937600263481 + 9262520946721 = 14523691^2 + 3043439^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38740342199 + ... + 38740347882.

Almost surely, 2^{220200121210202} is an apocalyptic number.

220200121210202 is a deficient number, since it is larger than the sum of its proper divisors (177275818910458).

220200121210202 is a wasteful number, since it uses less digits than its factorization.

220200121210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77480690126 (or 77480690119 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 220200121210202 its reverse (202012121002022), we get a palindrome (422212242212224).

The spelling of 220200121210202 in words is "two hundred twenty trillion, two hundred billion, one hundred twenty-one million, two hundred ten thousand, two hundred two".