2116251371 has 16 divisors (see below), whose sum is σ = 2352504000. Its totient is φ = 1891029888.

The previous prime is 2116251323. The next prime is 2116251433. The reversal of 2116251371 is 1731526112.

It is a cyclic number.

It is not a de Polignac number, because 2116251371 - 2¹⁰ = 2116250347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2116251271) 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, 84665 + ... + 106773.

It is an arithmetic number, because the mean of its divisors is an integer number (147031500).

Almost surely, 2^2116251371 is an apocalyptic number.

2116251371 is a deficient number, since it is larger than the sum of its proper divisors (236252629).

2116251371 is a wasteful number, since it uses less digits than its factorization.

2116251371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22358.

The product of its digits is 2520, while the sum is 29.

The square root of 2116251371 is about 46002.7322123371. The cubic root of 2116251371 is about 1283.8740400032.

Adding to 2116251371 its reverse (1731526112), we get a palindrome (3847777483).

The spelling of 2116251371 in words is "two billion, one hundred sixteen million, two hundred fifty-one thousand, three hundred seventy-one".