1110121423203 has 32 divisors (see below), whose sum is σ = 1628068248576. Its totient is φ = 668562121728.

The previous prime is 1110121423199. The next prime is 1110121423211. The reversal of 1110121423203 is 3023241210111.

It is not a de Polignac number, because 1110121423203 - 2² = 1110121423199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1110121423203.

It is not an unprimeable number, because it can be changed into a prime (1110121423223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43295475 + ... + 43321107.

It is an arithmetic number, because the mean of its divisors is an integer number (50877132768).

Almost surely, 2^{1110121423203} is an apocalyptic number.

1110121423203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1110121423203 is a deficient number, since it is larger than the sum of its proper divisors (517946825373).

1110121423203 is a wasteful number, since it uses less digits than its factorization.

1110121423203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49323.

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

Adding to 1110121423203 its reverse (3023241210111), we get a palindrome (4133362633314).

The spelling of 1110121423203 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, four hundred twenty-three thousand, two hundred three".