11100120233421 has 16 divisors (see below), whose sum is σ = 14932928921600. Its totient is φ = 7333822662768.

The previous prime is 11100120233413. The next prime is 11100120233431. The reversal of 11100120233421 is 12433202100111.

11100120233421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11100120233421 - 2³ = 11100120233413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100120233431) 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, 15500881 + ... + 16201158.

It is an arithmetic number, because the mean of its divisors is an integer number (933308057600).

Almost surely, 2^{11100120233421} is an apocalyptic number.

It is an amenable number.

11100120233421 is a deficient number, since it is larger than the sum of its proper divisors (3832808688179).

11100120233421 is a wasteful number, since it uses less digits than its factorization.

11100120233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31703088.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11100120233421 its reverse (12433202100111), we get a palindrome (23533322333532).

The spelling of 11100120233421 in words is "eleven trillion, one hundred billion, one hundred twenty million, two hundred thirty-three thousand, four hundred twenty-one".