2112122615 has 16 divisors (see below), whose sum is σ = 2606204160. Its totient is φ = 1642037760.

The previous prime is 2112122611. The next prime is 2112122627. The reversal of 2112122615 is 5162212112.

It is not a de Polignac number, because 2112122615 - 2² = 2112122611 is a prime.

It is a super-2 number, since 2×2112122615² = 8922123881588876450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112122611) 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, 156506 + ... + 169464.

It is an arithmetic number, because the mean of its divisors is an integer number (162887760).

Almost surely, 2^2112122615 is an apocalyptic number.

2112122615 is a deficient number, since it is larger than the sum of its proper divisors (494081545).

2112122615 is a wasteful number, since it uses less digits than its factorization.

2112122615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13882.

The product of its digits is 480, while the sum is 23.

The square root of 2112122615 is about 45957.8351861791. The cubic root of 2112122615 is about 1283.0385605470.

Adding to 2112122615 its reverse (5162212112), we get a palindrome (7274334727).

The spelling of 2112122615 in words is "two billion, one hundred twelve million, one hundred twenty-two thousand, six hundred fifteen".