10113011021 has 8 divisors (see below), whose sum is σ = 10266234720. Its totient is φ = 9959854608.

The previous prime is 10113010987. The next prime is 10113011047. The reversal of 10113011021 is 12011031101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10113011021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10113010993 and 10113011011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10113011071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344135 + ... + 372363.

It is an arithmetic number, because the mean of its divisors is an integer number (1283279340).

Almost surely, 2^10113011021 is an apocalyptic number.

It is an amenable number.

10113011021 is a deficient number, since it is larger than the sum of its proper divisors (153223699).

10113011021 is an equidigital number, since it uses as much as digits as its factorization.

10113011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33643.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 10113011021 its reverse (12011031101), we get a palindrome (22124042122).

The spelling of 10113011021 in words is "ten billion, one hundred thirteen million, eleven thousand, twenty-one".