2100052111 has 4 divisors (see below), whose sum is σ = 2110712472. Its totient is φ = 2089391752.

The previous prime is 2100052079. The next prime is 2100052117. The reversal of 2100052111 is 1112500012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2100052111 - 2⁵ = 2100052079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100052091 and 2100052100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100052117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5329885 + ... + 5330278.

It is an arithmetic number, because the mean of its divisors is an integer number (527678118).

Almost surely, 2^2100052111 is an apocalyptic number.

2100052111 is a deficient number, since it is larger than the sum of its proper divisors (10660361).

2100052111 is a wasteful number, since it uses less digits than its factorization.

2100052111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10660360.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 2100052111 is about 45826.3255236551. The cubic root of 2100052111 is about 1280.5897573222.

Adding to 2100052111 its reverse (1112500012), we get a palindrome (3212552123).

The spelling of 2100052111 in words is "two billion, one hundred million, fifty-two thousand, one hundred eleven".