11110023121123 has 4 divisors (see below), whose sum is σ = 11110036231368. Its totient is φ = 11110010010880.

The previous prime is 11110023121117. The next prime is 11110023121129. The reversal of 11110023121123 is 32112132001111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (11110023121117) and next prime (11110023121129).

It is a cyclic number.

It is not a de Polignac number, because 11110023121123 - 2¹³ = 11110023112931 is a prime.

It is a super-2 number, since 2×11110023121123² (a number of 27 digits) contains 22 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 11110023121123.

It is not an unprimeable number, because it can be changed into a prime (11110023121129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5189086 + ... + 7010467.

It is an arithmetic number, because the mean of its divisors is an integer number (2777509057842).

Almost surely, 2^{11110023121123} is an apocalyptic number.

11110023121123 is a deficient number, since it is larger than the sum of its proper divisors (13110245).

11110023121123 is an equidigital number, since it uses as much as digits as its factorization.

11110023121123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13110244.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11110023121123 its reverse (32112132001111), we get a palindrome (43222155122234).

The spelling of 11110023121123 in words is "eleven trillion, one hundred ten billion, twenty-three million, one hundred twenty-one thousand, one hundred twenty-three".