1013023012121 has 16 divisors (see below), whose sum is σ = 1034676713280. Its totient is φ = 991666851840.

The previous prime is 1013023012109. The next prime is 1013023012139. The reversal of 1013023012121 is 1212103203101.

It is a cyclic number.

It is not a de Polignac number, because 1013023012121 - 2³⁸ = 738145105177 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1013023012121.

It is not an unprimeable number, because it can be changed into a prime (1013023012171) 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, 2864366 + ... + 3198536.

It is an arithmetic number, because the mean of its divisors is an integer number (64667294580).

Almost surely, 2^{1013023012121} is an apocalyptic number.

It is an amenable number.

1013023012121 is a deficient number, since it is larger than the sum of its proper divisors (21653701159).

1013023012121 is a wasteful number, since it uses less digits than its factorization.

1013023012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334616.

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

Adding to 1013023012121 its reverse (1212103203101), we get a palindrome (2225126215222).

The spelling of 1013023012121 in words is "one trillion, thirteen billion, twenty-three million, twelve thousand, one hundred twenty-one".