11100123331311 has 16 divisors (see below), whose sum is σ = 16919731591424. Its totient is φ = 6340955889024.

The previous prime is 11100123331273. The next prime is 11100123331351. The reversal of 11100123331311 is 11313332100111.

It is not a de Polignac number, because 11100123331311 - 2⁷ = 11100123331183 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100123331351) 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, 82086205 + ... + 82221318.

It is an arithmetic number, because the mean of its divisors is an integer number (1057483224464).

Almost surely, 2^{11100123331311} is an apocalyptic number.

11100123331311 is a deficient number, since it is larger than the sum of its proper divisors (5819608260113).

11100123331311 is a wasteful number, since it uses less digits than its factorization.

11100123331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164310750.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 11100123331311 its reverse (11313332100111), we get a palindrome (22413455431422).

The spelling of 11100123331311 in words is "eleven trillion, one hundred billion, one hundred twenty-three million, three hundred thirty-one thousand, three hundred eleven".