10113010121 has 4 divisors (see below), whose sum is σ = 10130721744. Its totient is φ = 10095298500.

The previous prime is 10113010097. The next prime is 10113010147. The reversal of 10113010121 is 12101031101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12101031101 = 23 ⋅526131787.

It is a cyclic number.

It is not a de Polignac number, because 10113010121 - 2¹⁸ = 10112747977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10113010151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8854955 + ... + 8856096.

It is an arithmetic number, because the mean of its divisors is an integer number (2532680436).

Almost surely, 2^10113010121 is an apocalyptic number.

It is an amenable number.

10113010121 is a deficient number, since it is larger than the sum of its proper divisors (17711623).

10113010121 is an equidigital number, since it uses as much as digits as its factorization.

10113010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17711622.

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

Adding to 10113010121 its reverse (12101031101), we get a palindrome (22214041222).

The spelling of 10113010121 in words is "ten billion, one hundred thirteen million, ten thousand, one hundred twenty-one".