102121122202202 has 16 divisors (see below), whose sum is σ = 154698958768200. Its totient is φ = 50555481030720.

The previous prime is 102121122202199. The next prime is 102121122202237. The reversal of 102121122202202 is 202202221121201.

It can be written as a sum of positive squares in 4 ways, for example, as 65416051344361 + 36705070857841 = 8088019^2 + 6058471^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169302677 + ... + 169904792.

Almost surely, 2^{102121122202202} is an apocalyptic number.

102121122202202 is a deficient number, since it is larger than the sum of its proper divisors (52577836565998).

102121122202202 is a wasteful number, since it uses less digits than its factorization.

102121122202202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339208961.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102121122202202 its reverse (202202221121201), we get a palindrome (304323343323403).

The spelling of 102121122202202 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred two thousand, two hundred two".