2101100193 has 24 divisors (see below), whose sum is σ = 3244670208. Its totient is φ = 1305528192.

The previous prime is 2101100179. The next prime is 2101100203. The reversal of 2101100193 is 3910011012.

It is not a de Polignac number, because 2101100193 - 2⁶ = 2101100129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101100993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50905 + ... + 82422.

It is an arithmetic number, because the mean of its divisors is an integer number (135194592).

Almost surely, 2^2101100193 is an apocalyptic number.

It is an amenable number.

2101100193 is a deficient number, since it is larger than the sum of its proper divisors (1143570015).

2101100193 is a wasteful number, since it uses less digits than its factorization.

2101100193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133453 (or 133450 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

The square root of 2101100193 is about 45837.7594674958. The cubic root of 2101100193 is about 1280.8027583631.

The spelling of 2101100193 in words is "two billion, one hundred one million, one hundred thousand, one hundred ninety-three".