2112122616 has 16 divisors (see below), whose sum is σ = 5280306600. Its totient is φ = 704040864.

The previous prime is 2112122611. The next prime is 2112122627. The reversal of 2112122616 is 6162212112.

It is a super-2 number, since 2×2112122616² = 8922123890037366912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 88005109 = 2112122616 / (2 + 1 + 1 + 2 + 1 + 2 + 2 + 6 + 1 + 6).

It is a nude number because it is divisible by every one of its digits.

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 3 ways as a sum of consecutive naturals, for example, 44002531 + ... + 44002578.

Almost surely, 2^2112122616 is an apocalyptic number.

It is an amenable number.

2112122616 is an abundant number, since it is smaller than the sum of its proper divisors (3168183984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112122616 is a wasteful number, since it uses less digits than its factorization.

2112122616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88005118 (or 88005114 counting only the distinct ones).

The product of its digits is 576, while the sum is 24.

The square root of 2112122616 is about 45957.8351970586. The cubic root of 2112122616 is about 1283.0385607495.

Adding to 2112122616 its reverse (6162212112), we get a palindrome (8274334728).

The spelling of 2112122616 in words is "two billion, one hundred twelve million, one hundred twenty-two thousand, six hundred sixteen".