2231100312123 has 8 divisors (see below), whose sum is σ = 3131368859200. Its totient is φ = 1409115986568.

The previous prime is 2231100312113. The next prime is 2231100312151. The reversal of 2231100312123 is 3212130011322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2231100312123 - 2¹⁸ = 2231100049979 is a prime.

It is a super-3 number, since 3×2231100312123³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2231100312123.

It is not an unprimeable number, because it can be changed into a prime (2231100312113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19571055313 + ... + 19571055426.

It is an arithmetic number, because the mean of its divisors is an integer number (391421107400).

Almost surely, 2^{2231100312123} is an apocalyptic number.

2231100312123 is a deficient number, since it is larger than the sum of its proper divisors (900268547077).

2231100312123 is a wasteful number, since it uses less digits than its factorization.

2231100312123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39142110761.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 2231100312123 its reverse (3212130011322), we get a palindrome (5443230323445).

The spelling of 2231100312123 in words is "two trillion, two hundred thirty-one billion, one hundred million, three hundred twelve thousand, one hundred twenty-three".