2111102109999 has 32 divisors (see below), whose sum is σ = 3194890076160. Its totient is φ = 1377240961824.

The previous prime is 2111102109997. The next prime is 2111102110067. The reversal of 2111102109999 is 9999012011112.

It is not a de Polignac number, because 2111102109999 - 2¹ = 2111102109997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111102109997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1377859 + ... + 2474004.

It is an arithmetic number, because the mean of its divisors is an integer number (99840314880).

Almost surely, 2^{2111102109999} is an apocalyptic number.

2111102109999 is a deficient number, since it is larger than the sum of its proper divisors (1083787966161).

2111102109999 is a wasteful number, since it uses less digits than its factorization.

2111102109999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3852308 (or 3852302 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 45.

The spelling of 2111102109999 in words is "two trillion, one hundred eleven billion, one hundred two million, one hundred nine thousand, nine hundred ninety-nine".