11110113212123 has 4 divisors (see below), whose sum is σ = 11110159017048. Its totient is φ = 11110067407200.

The previous prime is 11110113212101. The next prime is 11110113212153. The reversal of 11110113212123 is 32121231101111.

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

It is a cyclic number.

It is not a de Polignac number, because 11110113212123 - 2⁶ = 11110113212059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110113212095 and 11110113212104.

It is not an unprimeable number, because it can be changed into a prime (11110113212153) 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, 22536686 + ... + 23024387.

It is an arithmetic number, because the mean of its divisors is an integer number (2777539754262).

Almost surely, 2^{11110113212123} is an apocalyptic number.

11110113212123 is a deficient number, since it is larger than the sum of its proper divisors (45804925).

11110113212123 is an equidigital number, since it uses as much as digits as its factorization.

11110113212123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45804924.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 11110113212123 its reverse (32121231101111), we get a palindrome (43231344313234).

The spelling of 11110113212123 in words is "eleven trillion, one hundred ten billion, one hundred thirteen million, two hundred twelve thousand, one hundred twenty-three".