2100012210111 has 16 divisors (see below), whose sum is σ = 2803369775616. Its totient is φ = 1398331909536.

The previous prime is 2100012210097. The next prime is 2100012210139. The reversal of 2100012210111 is 1110122100012.

It is not a de Polignac number, because 2100012210111 - 2⁶ = 2100012210047 is a prime.

It is a super-3 number, since 3×2100012210111³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100012211111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17081286 + ... + 17203788.

It is an arithmetic number, because the mean of its divisors is an integer number (175210610976).

Almost surely, 2^{2100012210111} is an apocalyptic number.

2100012210111 is a deficient number, since it is larger than the sum of its proper divisors (703357565505).

2100012210111 is a wasteful number, since it uses less digits than its factorization.

2100012210111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129302.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2100012210111 its reverse (1110122100012), we get a palindrome (3210134310123).

The spelling of 2100012210111 in words is "two trillion, one hundred billion, twelve million, two hundred ten thousand, one hundred eleven".