1021020112013 has 16 divisors (see below), whose sum is σ = 1179749116224. Its totient is φ = 873311957760.

The previous prime is 1021020111973. The next prime is 1021020112043. The reversal of 1021020112013 is 3102110201201.

1021020112013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1021020112013 - 2¹⁰ = 1021020110989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021020112043) 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, 330995 + ... + 1466832.

It is an arithmetic number, because the mean of its divisors is an integer number (73734319764).

Almost surely, 2^{1021020112013} is an apocalyptic number.

It is an amenable number.

1021020112013 is a deficient number, since it is larger than the sum of its proper divisors (158729004211).

1021020112013 is a wasteful number, since it uses less digits than its factorization.

1021020112013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800892.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1021020112013 its reverse (3102110201201), we get a palindrome (4123130313214).

The spelling of 1021020112013 in words is "one trillion, twenty-one billion, twenty million, one hundred twelve thousand, thirteen".