2091109102 has 16 divisors (see below), whose sum is σ = 3164608512. Its totient is φ = 1036256760.

The previous prime is 2091109091. The next prime is 2091109127. The reversal of 2091109102 is 2019011902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281577 + ... + 288907.

It is an arithmetic number, because the mean of its divisors is an integer number (197788032).

Almost surely, 2^2091109102 is an apocalyptic number.

2091109102 is a deficient number, since it is larger than the sum of its proper divisors (1073499410).

2091109102 is a wasteful number, since it uses less digits than its factorization.

2091109102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8583.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 2091109102 is about 45728.6464046335. The cubic root of 2091109102 is about 1278.7693865012.

The spelling of 2091109102 in words is "two billion, ninety-one million, one hundred nine thousand, one hundred two".