2231211103123 has 16 divisors (see below), whose sum is σ = 2288486753280. Its totient is φ = 2174072731200.

The previous prime is 2231211103109. The next prime is 2231211103171. The reversal of 2231211103123 is 3213011121322.

It is a cyclic number.

It is not a de Polignac number, because 2231211103123 - 2⁹ = 2231211102611 is a prime.

It is a super-3 number, since 3×2231211103123³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231211103094 and 2231211103103.

It is not an unprimeable number, because it can be changed into a prime (2231211100123) 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, 234587938 + ... + 234597448.

It is an arithmetic number, because the mean of its divisors is an integer number (143030422080).

Almost surely, 2^{2231211103123} is an apocalyptic number.

2231211103123 is a deficient number, since it is larger than the sum of its proper divisors (57275650157).

2231211103123 is a wasteful number, since it uses less digits than its factorization.

2231211103123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16098.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2231211103123 its reverse (3213011121322), we get a palindrome (5444222224445).

The spelling of 2231211103123 in words is "two trillion, two hundred thirty-one billion, two hundred eleven million, one hundred three thousand, one hundred twenty-three".