2102110002091 has 8 divisors (see below), whose sum is σ = 2293493528304. Its totient is φ = 1910773578720.

The previous prime is 2102110002049. The next prime is 2102110002131. The reversal of 2102110002091 is 1902000112012.

It is a happy number.

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 2102110002091 - 2¹³ = 2102109993899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102110002001) 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, 11682360 + ... + 11860933.

It is an arithmetic number, because the mean of its divisors is an integer number (286686691038).

Almost surely, 2^{2102110002091} is an apocalyptic number.

2102110002091 is a deficient number, since it is larger than the sum of its proper divisors (191383526213).

2102110002091 is a wasteful number, since it uses less digits than its factorization.

2102110002091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23551421.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 2102110002091 in words is "two trillion, one hundred two billion, one hundred ten million, two thousand, ninety-one".