99001011 has 16 divisors (see below), whose sum is σ = 139947008. Its totient is φ = 62143200.

The previous prime is 99000991. The next prime is 99001031. The reversal of 99001011 is 11010099.

It is an interprime number because it is at equal distance from previous prime (99000991) and next prime (99001031).

It is not a de Polignac number, because 99001011 - 2⁷ = 99000883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99001031) 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, 10945 + ... + 17826.

It is an arithmetic number, because the mean of its divisors is an integer number (8746688).

Almost surely, 2^99001011 is an apocalyptic number.

99001011 is a deficient number, since it is larger than the sum of its proper divisors (40945997).

99001011 is a wasteful number, since it uses less digits than its factorization.

99001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28842.

The product of its (nonzero) digits is 81, while the sum is 21.

The square root of 99001011 is about 9949.9251755981. The cubic root of 99001011 is about 462.6080756441.

The spelling of 99001011 in words is "ninety-nine million, one thousand, eleven".