2091091110 has 32 divisors (see below), whose sum is σ = 5191676640. Its totient is φ = 538395648.

The previous prime is 2091091063. The next prime is 2091091169. The reversal of 2091091110 is 111901902.

It is a congruent number.

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, 1200907 + ... + 1202646.

It is an arithmetic number, because the mean of its divisors is an integer number (162239895).

Almost surely, 2^2091091110 is an apocalyptic number.

2091091110 is an abundant number, since it is smaller than the sum of its proper divisors (3100585530).

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

2091091110 is a wasteful number, since it uses less digits than its factorization.

2091091110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403592.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 2091091110 is about 45728.4496785098. The cubic root of 2091091110 is about 1278.7657189603.

The spelling of 2091091110 in words is "two billion, ninety-one million, ninety-one thousand, one hundred ten".