1021101323012 has 12 divisors (see below), whose sum is σ = 1787596344576. Its totient is φ = 510359510280.

The previous prime is 1021101322999. The next prime is 1021101323027. The reversal of 1021101323012 is 2103231011201.

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, 47775788 + ... + 47797155.

It is an arithmetic number, because the mean of its divisors is an integer number (148966362048).

Almost surely, 2^{1021101323012} is an apocalyptic number.

It is an amenable number.

1021101323012 is a deficient number, since it is larger than the sum of its proper divisors (766495021564).

1021101323012 is a wasteful number, since it uses less digits than its factorization.

1021101323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95575618 (or 95575616 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1021101323012 its reverse (2103231011201), we get a palindrome (3124332334213).

The spelling of 1021101323012 in words is "one trillion, twenty-one billion, one hundred one million, three hundred twenty-three thousand, twelve".