99901011 has 16 divisors (see below), whose sum is σ = 154317824. Its totient is φ = 56303424.

The previous prime is 99901001. The next prime is 99901013. The reversal of 99901011 is 11010999.

It is not a de Polignac number, because 99901011 - 2⁶ = 99900947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 99901011.

It is not an unprimeable number, because it can be changed into a prime (99901013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31051 + ... + 34116.

It is an arithmetic number, because the mean of its divisors is an integer number (9644864).

Almost surely, 2^99901011 is an apocalyptic number.

99901011 is a deficient number, since it is larger than the sum of its proper divisors (54416813).

99901011 is a wasteful number, since it uses less digits than its factorization.

99901011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65250.

The product of its (nonzero) digits is 729, while the sum is 30.

The square root of 99901011 is about 9995.0493245406. The cubic root of 99901011 is about 464.0056773854.

The spelling of 99901011 in words is "ninety-nine million, nine hundred one thousand, eleven".