90101110131101 has 4 divisors (see below), whose sum is σ = 90134567657052. Its totient is φ = 90067652605152.

The previous prime is 90101110131089. The next prime is 90101110131119. The reversal of 90101110131101 is 10113101110109.

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 34408771078201 + 55692339052900 = 5865899^2 + 7462730^2 .

It is a cyclic number.

It is not a de Polignac number, because 90101110131101 - 2¹⁰ = 90101110130077 is a prime.

It is a super-2 number, since 2×90101110131101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90101110131301) 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, 16728758936 + ... + 16728764321.

It is an arithmetic number, because the mean of its divisors is an integer number (22533641914263).

Almost surely, 2^{90101110131101} is an apocalyptic number.

It is an amenable number.

90101110131101 is a deficient number, since it is larger than the sum of its proper divisors (33457525951).

90101110131101 is a wasteful number, since it uses less digits than its factorization.

90101110131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33457525950.

The product of its (nonzero) digits is 27, while the sum is 20.

The spelling of 90101110131101 in words is "ninety trillion, one hundred one billion, one hundred ten million, one hundred thirty-one thousand, one hundred one".