11100113421 has 16 divisors (see below), whose sum is σ = 15446417280. Its totient is φ = 7077058560.

The previous prime is 11100113383. The next prime is 11100113441. The reversal of 11100113421 is 12431100111.

It is not a de Polignac number, because 11100113421 - 2¹⁷ = 11099982349 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11100113421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100113441) 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, 506001 + ... + 527481.

It is an arithmetic number, because the mean of its divisors is an integer number (965401080).

Almost surely, 2^11100113421 is an apocalyptic number.

It is an amenable number.

11100113421 is a deficient number, since it is larger than the sum of its proper divisors (4346303859).

11100113421 is a wasteful number, since it uses less digits than its factorization.

11100113421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28996.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11100113421 its reverse (12431100111), we get a palindrome (23531213532).

The spelling of 11100113421 in words is "eleven billion, one hundred million, one hundred thirteen thousand, four hundred twenty-one".