2102101112 has 16 divisors (see below), whose sum is σ = 3941986200. Its totient is φ = 1050904800.

The previous prime is 2102101109. The next prime is 2102101117. The reversal of 2102101112 is 2111012012.

It is a junction number, because it is equal to n+sod(n) for n = 2102101093 and 2102101102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102101117) 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, 65939 + ... + 92477.

Almost surely, 2^2102101112 is an apocalyptic number.

It is an amenable number.

2102101112 is a deficient number, since it is larger than the sum of its proper divisors (1839885088).

2102101112 is a wasteful number, since it uses less digits than its factorization.

2102101112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36446 (or 36442 counting only the distinct ones).

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

The square root of 2102101112 is about 45848.6762295271. The cubic root of 2102101112 is about 1281.0061083834.

Adding to 2102101112 its reverse (2111012012), we get a palindrome (4213113124).

The spelling of 2102101112 in words is "two billion, one hundred two million, one hundred one thousand, one hundred twelve".