11110120100021 has 32 divisors (see below), whose sum is σ = 12225708380160. Its totient is φ = 10058359018176.

The previous prime is 11110120099987. The next prime is 11110120100047. The reversal of 11110120100021 is 12000102101111.

It is a cyclic number.

It is not a de Polignac number, because 11110120100021 - 2¹⁴ = 11110120083637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110120099975 and 11110120100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110120106021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113496920 + ... + 113594766.

It is an arithmetic number, because the mean of its divisors is an integer number (382053386880).

Almost surely, 2^{11110120100021} is an apocalyptic number.

It is an amenable number.

11110120100021 is a deficient number, since it is larger than the sum of its proper divisors (1115588280139).

11110120100021 is a wasteful number, since it uses less digits than its factorization.

11110120100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100913.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11110120100021 its reverse (12000102101111), we get a palindrome (23110222201132).

The spelling of 11110120100021 in words is "eleven trillion, one hundred ten billion, one hundred twenty million, one hundred thousand, twenty-one".