100537235121 has 4 divisors (see below), whose sum is σ = 134049646832. Its totient is φ = 67024823412.

The previous prime is 100537235101. The next prime is 100537235129. The reversal of 100537235121 is 121532735001.

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: 121532735001 = 3 ⋅40510911667.

It is not a de Polignac number, because 100537235121 - 2¹⁰ = 100537234097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100537235129) 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, 16756205851 + ... + 16756205856.

It is an arithmetic number, because the mean of its divisors is an integer number (33512411708).

Almost surely, 2^100537235121 is an apocalyptic number.

It is an amenable number.

100537235121 is a deficient number, since it is larger than the sum of its proper divisors (33512411711).

100537235121 is an equidigital number, since it uses as much as digits as its factorization.

100537235121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33512411710.

The product of its (nonzero) digits is 6300, while the sum is 30.

The spelling of 100537235121 in words is "one hundred billion, five hundred thirty-seven million, two hundred thirty-five thousand, one hundred twenty-one".