90130221011 has 4 divisors (see below), whose sum is σ = 90145589112. Its totient is φ = 90114852912.

The previous prime is 90130221007. The next prime is 90130221047. The reversal of 90130221011 is 11012203109.

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

It is a cyclic number.

It is not a de Polignac number, because 90130221011 - 2² = 90130221007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90130221001) 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, 7675250 + ... + 7686983.

It is an arithmetic number, because the mean of its divisors is an integer number (22536397278).

Almost surely, 2^90130221011 is an apocalyptic number.

90130221011 is a deficient number, since it is larger than the sum of its proper divisors (15368101).

90130221011 is a wasteful number, since it uses less digits than its factorization.

90130221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15368100.

The product of its (nonzero) digits is 108, while the sum is 20.

The spelling of 90130221011 in words is "ninety billion, one hundred thirty million, two hundred twenty-one thousand, eleven".