2102120111110 has 32 divisors (see below), whose sum is σ = 3948437912832. Its totient is φ = 804267441120.

The previous prime is 2102120111101. The next prime is 2102120111123. The reversal of 2102120111110 is 111110212012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10130217 + ... + 10335643.

It is an arithmetic number, because the mean of its divisors is an integer number (123388684776).

Almost surely, 2^{2102120111110} is an apocalyptic number.

2102120111110 is a deficient number, since it is larger than the sum of its proper divisors (1846317801722).

2102120111110 is a wasteful number, since it uses less digits than its factorization.

2102120111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249948.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2102120111110 its reverse (111110212012), we get a palindrome (2213230323122).

The spelling of 2102120111110 in words is "two trillion, one hundred two billion, one hundred twenty million, one hundred eleven thousand, one hundred ten".