22121031130210 has 16 divisors (see below), whose sum is σ = 39821203130616. Its totient is φ = 8847668652928.

The previous prime is 22121031130201. The next prime is 22121031130217. The reversal of 22121031130210 is 1203113012122.

It can be written as a sum of positive squares in 4 ways, for example, as 19164773862081 + 2956257268129 = 4377759^2 + 1719377^2 .

It is not an unprimeable number, because it can be changed into a prime (22121031130217) 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, 92849977 + ... + 93087916.

Almost surely, 2^{22121031130210} is an apocalyptic number.

22121031130210 is a deficient number, since it is larger than the sum of its proper divisors (17700172000406).

22121031130210 is a wasteful number, since it uses less digits than its factorization.

22121031130210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185949797.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 22121031130210 its reverse (1203113012122), we get a palindrome (23324144142332).

The spelling of 22121031130210 in words is "twenty-two trillion, one hundred twenty-one billion, thirty-one million, one hundred thirty thousand, two hundred ten".