1310202012021 has 16 divisors (see below), whose sum is σ = 1996516300800. Its totient is φ = 748680115248.

The previous prime is 1310202012001. The next prime is 1310202012059. The reversal of 1310202012021 is 1202102020131.

It is not a de Polignac number, because 1310202012021 - 2⁶ = 1310202011957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310202012001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2987640 + ... + 3397998.

It is an arithmetic number, because the mean of its divisors is an integer number (124782268800).

Almost surely, 2^{1310202012021} is an apocalyptic number.

It is an amenable number.

1310202012021 is a deficient number, since it is larger than the sum of its proper divisors (686314288779).

1310202012021 is a wasteful number, since it uses less digits than its factorization.

1310202012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562408.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1310202012021 its reverse (1202102020131), we get a palindrome (2512304032152).

The spelling of 1310202012021 in words is "one trillion, three hundred ten billion, two hundred two million, twelve thousand, twenty-one".