1110123020111 has 12 divisors (see below), whose sum is σ = 1293836778792. Its totient is φ = 949714618608.

The previous prime is 1110123020101. The next prime is 1110123020137. The reversal of 1110123020111 is 1110203210111.

It is not a de Polignac number, because 1110123020111 - 2¹⁰ = 1110123019087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110123020101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21633620 + ... + 21684873.

It is an arithmetic number, because the mean of its divisors is an integer number (107819731566).

Almost surely, 2^{1110123020111} is an apocalyptic number.

1110123020111 is a deficient number, since it is larger than the sum of its proper divisors (183713758681).

1110123020111 is an equidigital number, since it uses as much as digits as its factorization.

1110123020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43319030 (or 43319023 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1110123020111 its reverse (1110203210111), we get a palindrome (2220326230222).

The spelling of 1110123020111 in words is "one trillion, one hundred ten billion, one hundred twenty-three million, twenty thousand, one hundred eleven".