103920270621 has 16 divisors (see below), whose sum is σ = 140923345920. Its totient is φ = 68098929840.

The previous prime is 103920270607. The next prime is 103920270659. The reversal of 103920270621 is 126072029301.

It is not a de Polignac number, because 103920270621 - 2³⁵ = 69560532253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103920200621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2128716 + ... + 2176986.

It is an arithmetic number, because the mean of its divisors is an integer number (8807709120).

Almost surely, 2^103920270621 is an apocalyptic number.

It is an amenable number.

103920270621 is a deficient number, since it is larger than the sum of its proper divisors (37003075299).

103920270621 is a wasteful number, since it uses less digits than its factorization.

103920270621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60496.

The product of its (nonzero) digits is 9072, while the sum is 33.

Adding to 103920270621 its reverse (126072029301), we get a palindrome (229992299922).

The spelling of 103920270621 in words is "one hundred three billion, nine hundred twenty million, two hundred seventy thousand, six hundred twenty-one".