11100121010123 has 16 divisors (see below), whose sum is σ = 11180082883200. Its totient is φ = 11020450636800.

The previous prime is 11100121010081. The next prime is 11100121010159. The reversal of 11100121010123 is 32101012100111.

It is a cyclic number.

It is not a de Polignac number, because 11100121010123 - 2¹⁶ = 11100120944587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100121010098 and 11100121010107.

It is not an unprimeable number, because it can be changed into a prime (11100121010323) 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, 838307783 + ... + 838321023.

It is an arithmetic number, because the mean of its divisors is an integer number (698755180200).

Almost surely, 2^{11100121010123} is an apocalyptic number.

11100121010123 is a deficient number, since it is larger than the sum of its proper divisors (79961873077).

11100121010123 is a wasteful number, since it uses less digits than its factorization.

11100121010123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23798.

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

Adding to 11100121010123 its reverse (32101012100111), we get a palindrome (43201133110234).

The spelling of 11100121010123 in words is "eleven trillion, one hundred billion, one hundred twenty-one million, ten thousand, one hundred twenty-three".