100933501085 has 4 divisors (see below), whose sum is σ = 121120201308. Its totient is φ = 80746800864.

The previous prime is 100933501061. The next prime is 100933501087. The reversal of 100933501085 is 580105339001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31988395609 + 68945105476 = 178853^2 + 262574^2 .

It is a cyclic number.

It is not a de Polignac number, because 100933501085 - 2⁶ = 100933501021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100933501087) 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, 10093350104 + ... + 10093350113.

It is an arithmetic number, because the mean of its divisors is an integer number (30280050327).

Almost surely, 2^100933501085 is an apocalyptic number.

It is an amenable number.

100933501085 is a deficient number, since it is larger than the sum of its proper divisors (20186700223).

100933501085 is an equidigital number, since it uses as much as digits as its factorization.

100933501085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20186700222.

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 100933501085 in words is "one hundred billion, nine hundred thirty-three million, five hundred one thousand, eighty-five".