2191120095 has 16 divisors (see below), whose sum is σ = 3558119040. Its totient is φ = 1151155104.

The previous prime is 2191120081. The next prime is 2191120171. The reversal of 2191120095 is 5900211912.

It is not a de Polignac number, because 2191120095 - 2⁶ = 2191120031 is a prime.

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, 1089105 + ... + 1091114.

It is an arithmetic number, because the mean of its divisors is an integer number (222382440).

Almost surely, 2^2191120095 is an apocalyptic number.

2191120095 is a deficient number, since it is larger than the sum of its proper divisors (1366998945).

2191120095 is a wasteful number, since it uses less digits than its factorization.

2191120095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180294.

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 2191120095 is about 46809.4017799843. The cubic root of 2191120095 is about 1298.8392192618.

The spelling of 2191120095 in words is "two billion, one hundred ninety-one million, one hundred twenty thousand, ninety-five".