2112114155165 has 16 divisors (see below), whose sum is σ = 2900854747008. Its totient is φ = 1446186325056.

The previous prime is 2112114155149. The next prime is 2112114155167. The reversal of 2112114155165 is 5615514112112.

It is a cyclic number.

It is not a de Polignac number, because 2112114155165 - 2⁴ = 2112114155149 is a prime.

It is a super-2 number, since 2×2112114155165² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112114155167) 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, 44153342 + ... + 44201151.

It is an arithmetic number, because the mean of its divisors is an integer number (181303421688).

Almost surely, 2^{2112114155165} is an apocalyptic number.

It is an amenable number.

2112114155165 is a deficient number, since it is larger than the sum of its proper divisors (788740591843).

2112114155165 is an equidigital number, since it uses as much as digits as its factorization.

2112114155165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88355188.

The product of its digits is 12000, while the sum is 35.

Adding to 2112114155165 its reverse (5615514112112), we get a palindrome (7727628267277).

The spelling of 2112114155165 in words is "two trillion, one hundred twelve billion, one hundred fourteen million, one hundred fifty-five thousand, one hundred sixty-five".