2120111102 has 4 divisors (see below), whose sum is σ = 3180166656. Its totient is φ = 1060055550.

The previous prime is 2120111093. The next prime is 2120111153. The reversal of 2120111102 is 2011110212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530027774 + ... + 530027777.

It is an arithmetic number, because the mean of its divisors is an integer number (795041664).

Almost surely, 2^2120111102 is an apocalyptic number.

2120111102 is a deficient number, since it is larger than the sum of its proper divisors (1060055554).

2120111102 is a wasteful number, since it uses less digits than its factorization.

2120111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060055553.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2120111102 is about 46044.6642077016. The cubic root of 2120111102 is about 1284.6540983812.

Adding to 2120111102 its reverse (2011110212), we get a palindrome (4131221314).

The spelling of 2120111102 in words is "two billion, one hundred twenty million, one hundred eleven thousand, one hundred two".