2100112021191 has 8 divisors (see below), whose sum is σ = 2804477261184. Its totient is φ = 1397910731000.

The previous prime is 2100112021169. The next prime is 2100112021193. The reversal of 2100112021191 is 1911202110012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2100112021191 - 2⁵ = 2100112021159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100112021193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540985185 + ... + 540989066.

It is an arithmetic number, because the mean of its divisors is an integer number (350559657648).

Almost surely, 2^{2100112021191} is an apocalyptic number.

2100112021191 is a deficient number, since it is larger than the sum of its proper divisors (704365239993).

2100112021191 is a wasteful number, since it uses less digits than its factorization.

2100112021191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081974901.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 2100112021191 in words is "two trillion, one hundred billion, one hundred twelve million, twenty-one thousand, one hundred ninety-one".