1013011323021 has 24 divisors (see below), whose sum is σ = 1471678309920. Its totient is φ = 671447426400.

The previous prime is 1013011322993. The next prime is 1013011323089. The reversal of 1013011323021 is 1203231103101.

1013011323021 is a `hidden beast` number, since 101 + 301 + 13 + 230 + 21 = 666.

It is not a de Polignac number, because 1013011323021 - 2⁵ = 1013011322989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1013011322985 and 1013011323003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013011303021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6864906 + ... + 7010916.

It is an arithmetic number, because the mean of its divisors is an integer number (61319929580).

Almost surely, 2^{1013011323021} is an apocalyptic number.

It is an amenable number.

1013011323021 is a deficient number, since it is larger than the sum of its proper divisors (458666986899).

1013011323021 is a wasteful number, since it uses less digits than its factorization.

1013011323021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150457 (or 150454 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1013011323021 its reverse (1203231103101), we get a palindrome (2216242426122).

The spelling of 1013011323021 in words is "one trillion, thirteen billion, eleven million, three hundred twenty-three thousand, twenty-one".