1110203231123 has 16 divisors (see below), whose sum is σ = 1401849607680. Its totient is φ = 856685867136.

The previous prime is 1110203231101. The next prime is 1110203231143. The reversal of 1110203231123 is 3211323020111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1110203231123 - 2¹⁰ = 1110203230099 is a prime.

It is a super-2 number, since 2×1110203231123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110203231095 and 1110203231104.

It is not an unprimeable number, because it can be changed into a prime (1110203231143) 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, 202811153 + ... + 202816626.

It is an arithmetic number, because the mean of its divisors is an integer number (87615600480).

Almost surely, 2^{1110203231123} is an apocalyptic number.

1110203231123 is a deficient number, since it is larger than the sum of its proper divisors (291646376557).

1110203231123 is a wasteful number, since it uses less digits than its factorization.

1110203231123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405627826.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1110203231123 its reverse (3211323020111), we get a palindrome (4321526251234).

The spelling of 1110203231123 in words is "one trillion, one hundred ten billion, two hundred three million, two hundred thirty-one thousand, one hundred twenty-three".