1021312232104 has 16 divisors (see below), whose sum is σ = 1980993554100. Its totient is φ = 493047284352.

The previous prime is 1021312232099. The next prime is 1021312232113. The reversal of 1021312232104 is 4012322131201.

It can be written as a sum of positive squares in 2 ways, for example, as 1015197304900 + 6114927204 = 1007570^2 + 78198^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2201103717 + ... + 2201104180.

Almost surely, 2^{1021312232104} is an apocalyptic number.

It is an amenable number.

1021312232104 is a deficient number, since it is larger than the sum of its proper divisors (959681321996).

1021312232104 is a wasteful number, since it uses less digits than its factorization.

1021312232104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4402207932 (or 4402207928 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1021312232104 its reverse (4012322131201), we get a palindrome (5033634363305).

The spelling of 1021312232104 in words is "one trillion, twenty-one billion, three hundred twelve million, two hundred thirty-two thousand, one hundred four".