2117112162 has 64 divisors (see below), whose sum is σ = 4750921728. Its totient is φ = 623376000.

The previous prime is 2117112131. The next prime is 2117112169. The reversal of 2117112162 is 2612117112.

It is not an unprimeable number, because it can be changed into a prime (2117112169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 731883 + ... + 734769.

It is an arithmetic number, because the mean of its divisors is an integer number (74233152).

Almost surely, 2^2117112162 is an apocalyptic number.

2117112162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2117112162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2375460864).

2117112162 is an abundant number, since it is smaller than the sum of its proper divisors (2633809566).

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

2117112162 is a wasteful number, since it uses less digits than its factorization.

2117112162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215.

The product of its digits is 336, while the sum is 24.

The square root of 2117112162 is about 46012.0871293620. The cubic root of 2117112162 is about 1284.0480894926.

Adding to 2117112162 its reverse (2612117112), we get a palindrome (4729229274).

It can be divided in two parts, 21171 and 12162, that added together give a palindrome (33333).

The spelling of 2117112162 in words is "two billion, one hundred seventeen million, one hundred twelve thousand, one hundred sixty-two".