2312112122103 has 16 divisors (see below), whose sum is σ = 3524956680960. Its totient is φ = 1320555098496.

The previous prime is 2312112122051. The next prime is 2312112122209. The reversal of 2312112122103 is 3012212112132.

It is not a de Polignac number, because 2312112122103 - 2¹⁶ = 2312112056567 is a prime.

It is a super-2 number, since 2×2312112122103² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2312112122103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312113122103) 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, 27115938 + ... + 27201071.

It is an arithmetic number, because the mean of its divisors is an integer number (220309792560).

Almost surely, 2^{2312112122103} is an apocalyptic number.

2312112122103 is a deficient number, since it is larger than the sum of its proper divisors (1212844558857).

2312112122103 is a wasteful number, since it uses less digits than its factorization.

2312112122103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54319046.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2312112122103 its reverse (3012212112132), we get a palindrome (5324324234235).

The spelling of 2312112122103 in words is "two trillion, three hundred twelve billion, one hundred twelve million, one hundred twenty-two thousand, one hundred three".