2100122010191 has 8 divisors (see below), whose sum is σ = 2216054492640. Its totient is φ = 1986241430272.

The previous prime is 2100122010109. The next prime is 2100122010227. The reversal of 2100122010191 is 1910102210012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100122010191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100122015191) 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, 512973530 + ... + 512977623.

It is an arithmetic number, because the mean of its divisors is an integer number (277006811580).

Almost surely, 2^{2100122010191} is an apocalyptic number.

2100122010191 is a deficient number, since it is larger than the sum of its proper divisors (115932482449).

2100122010191 is a wasteful number, since it uses less digits than its factorization.

2100122010191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025951265.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2100122010191 in words is "two trillion, one hundred billion, one hundred twenty-two million, ten thousand, one hundred ninety-one".