2011100994 has 32 divisors (see below), whose sum is σ = 5107559040. Its totient is φ = 574600176.

The previous prime is 2011100989. The next prime is 2011101031. The reversal of 2011100994 is 4990011102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2659809 + ... + 2660564.

It is an arithmetic number, because the mean of its divisors is an integer number (159611220).

Almost surely, 2^2011100994 is an apocalyptic number.

2011100994 is an abundant number, since it is smaller than the sum of its proper divisors (3096458046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011100994 is a wasteful number, since it uses less digits than its factorization.

2011100994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320391 (or 5320385 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 2011100994 is about 44845.3006902619. The cubic root of 2011100994 is about 1262.2478129621.

The spelling of 2011100994 in words is "two billion, eleven million, one hundred thousand, nine hundred ninety-four".