1021112012013 has 32 divisors (see below), whose sum is σ = 1386065759232. Its totient is φ = 668534601600.

The previous prime is 1021112012009. The next prime is 1021112012017. The reversal of 1021112012013 is 3102102111201.

It is an interprime number because it is at equal distance from previous prime (1021112012009) and next prime (1021112012017).

It is not a de Polignac number, because 1021112012013 - 2² = 1021112012009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1021112011983 and 1021112012001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021112012017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69309858 + ... + 69324588.

It is an arithmetic number, because the mean of its divisors is an integer number (43314554976).

Almost surely, 2^{1021112012013} is an apocalyptic number.

It is an amenable number.

1021112012013 is a deficient number, since it is larger than the sum of its proper divisors (364953747219).

1021112012013 is a wasteful number, since it uses less digits than its factorization.

1021112012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16145.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1021112012013 its reverse (3102102111201), we get a palindrome (4123214123214).

The spelling of 1021112012013 in words is "one trillion, twenty-one billion, one hundred twelve million, twelve thousand, thirteen".