2102111199 has 12 divisors (see below), whose sum is σ = 3039581376. Its totient is φ = 1399931232.

The previous prime is 2102111191. The next prime is 2102111267. The reversal of 2102111199 is 9911112012.

It is not a de Polignac number, because 2102111199 - 2³ = 2102111191 is a prime.

It is a super-2 number, since 2×2102111199² = 8837742985922435202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102111191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 113967 + ... + 131120.

It is an arithmetic number, because the mean of its divisors is an integer number (253298448).

Almost surely, 2^2102111199 is an apocalyptic number.

2102111199 is a deficient number, since it is larger than the sum of its proper divisors (937470177).

2102111199 is a wasteful number, since it uses less digits than its factorization.

2102111199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246046 (or 246043 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The square root of 2102111199 is about 45848.7862325711. The cubic root of 2102111199 is about 1281.0081573631.

It can be divided in two parts, 2 and 102111199, that added together give a palindrome (102111201).

The spelling of 2102111199 in words is "two billion, one hundred two million, one hundred eleven thousand, one hundred ninety-nine".