2121622320104 has 48 divisors (see below), whose sum is σ = 4627644814980. Its totient is φ = 909241804800.

The previous prime is 2121622320079. The next prime is 2121622320157. The reversal of 2121622320104 is 4010232261212.

It can be written as a sum of positive squares in 2 ways, for example, as 2080373522500 + 41248797604 = 1442350^2 + 203098^2 .

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, 25478024 + ... + 25561160.

Almost surely, 2^{2121622320104} is an apocalyptic number.

It is an amenable number.

2121622320104 is an abundant number, since it is smaller than the sum of its proper divisors (2506022494876).

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

2121622320104 is a wasteful number, since it uses less digits than its factorization.

2121622320104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148258 (or 148247 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 2121622320104 its reverse (4010232261212), we get a palindrome (6131854581316).

The spelling of 2121622320104 in words is "two trillion, one hundred twenty-one billion, six hundred twenty-two million, three hundred twenty thousand, one hundred four".