11110000010021 has 12 divisors (see below), whose sum is σ = 12273184140000. Its totient is φ = 10049246218440.

The previous prime is 11110000009993. The next prime is 11110000010059. The reversal of 11110000010021 is 12001000001111.

It is a happy number.

It is not a de Polignac number, because 11110000010021 - 2¹⁰ = 11110000008997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11110000009990 and 11110000010008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11110000018021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230674871 + ... + 230723028.

It is an arithmetic number, because the mean of its divisors is an integer number (1022765345000).

Almost surely, 2^{11110000010021} is an apocalyptic number.

11110000010021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11110000010021 is a deficient number, since it is larger than the sum of its proper divisors (1163184129979).

11110000010021 is a wasteful number, since it uses less digits than its factorization.

11110000010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461398120 (or 461398109 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 11110000010021 its reverse (12001000001111), we get a palindrome (23111000011132).

The spelling of 11110000010021 in words is "eleven trillion, one hundred ten billion, ten thousand, twenty-one".