103013220120121 has 4 divisors (see below), whose sum is σ = 103014056369232. Its totient is φ = 103012383871012.

The previous prime is 103013220120073. The next prime is 103013220120133. The reversal of 103013220120121 is 121021022310301.

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.

It is a cyclic number.

It is not a de Polignac number, because 103013220120121 - 2²⁵ = 103013186565689 is a prime.

It is a super-2 number, since 2×103013220120121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103013220120521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417939751 + ... + 418186156.

It is an arithmetic number, because the mean of its divisors is an integer number (25753514092308).

Almost surely, 2^{103013220120121} is an apocalyptic number.

It is an amenable number.

103013220120121 is a deficient number, since it is larger than the sum of its proper divisors (836249111).

103013220120121 is an equidigital number, since it uses as much as digits as its factorization.

103013220120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836249110.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 103013220120121 its reverse (121021022310301), we get a palindrome (224034242430422).

The spelling of 103013220120121 in words is "one hundred three trillion, thirteen billion, two hundred twenty million, one hundred twenty thousand, one hundred twenty-one".