2122911216 has 30 divisors (see below), whose sum is σ = 5941203320. Its totient is φ = 707637024.

The previous prime is 2122911179. The next prime is 2122911221. The reversal of 2122911216 is 6121192212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2122911216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7371076 + ... + 7371363.

Almost surely, 2^2122911216 is an apocalyptic number.

It is an amenable number.

2122911216 is an abundant number, since it is smaller than the sum of its proper divisors (3818292104).

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

2122911216 is a wasteful number, since it uses less digits than its factorization.

2122911216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14742453 (or 14742444 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 2122911216 is about 46075.0606727761. The cubic root of 2122911216 is about 1285.2194139503.

The spelling of 2122911216 in words is "two billion, one hundred twenty-two million, nine hundred eleven thousand, two hundred sixteen".