2115321112 has 8 divisors (see below), whose sum is σ = 3966227100. Its totient is φ = 1057660552.

The previous prime is 2115321079. The next prime is 2115321113. The reversal of 2115321112 is 2111235112.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2115321112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115321113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132207562 + ... + 132207577.

Almost surely, 2^2115321112 is an apocalyptic number.

It is an amenable number.

2115321112 is a deficient number, since it is larger than the sum of its proper divisors (1850905988).

2115321112 is a wasteful number, since it uses less digits than its factorization.

2115321112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264415145 (or 264415141 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The square root of 2115321112 is about 45992.6201906349. The cubic root of 2115321112 is about 1283.6858912100.

Adding to 2115321112 its reverse (2111235112), we get a palindrome (4226556224).

The spelling of 2115321112 in words is "two billion, one hundred fifteen million, three hundred twenty-one thousand, one hundred twelve".