90211113 has 12 divisors (see below), whose sum is σ = 130409968. Its totient is φ = 60092280.

The previous prime is 90211103. The next prime is 90211153. The reversal of 90211113 is 31111209.

It is not a de Polignac number, because 90211113 - 2⁴ = 90211097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90211103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10506 + ... + 17052.

Almost surely, 2^90211113 is an apocalyptic number.

It is an amenable number.

90211113 is a deficient number, since it is larger than the sum of its proper divisors (40198855).

90211113 is a wasteful number, since it uses less digits than its factorization.

90211113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084 (or 8081 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 90211113 is about 9497.9530952727. The cubic root of 90211113 is about 448.4906020708.

The spelling of 90211113 in words is "ninety million, two hundred eleven thousand, one hundred thirteen".