1110110000021 has 16 divisors (see below), whose sum is σ = 1216501277760. Its totient is φ = 1004631761280.

The previous prime is 1110110000009. The next prime is 1110110000053. The reversal of 1110110000021 is 1200000110111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1110110000021 - 2²⁶ = 1110042891157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110109999963 and 1110110000008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110110000521) 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, 28688675 + ... + 28727343.

It is an arithmetic number, because the mean of its divisors is an integer number (76031329860).

Almost surely, 2^{1110110000021} is an apocalyptic number.

1110110000021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1110110000021 is a deficient number, since it is larger than the sum of its proper divisors (106391277739).

1110110000021 is a wasteful number, since it uses less digits than its factorization.

1110110000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50404.

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

Adding to 1110110000021 its reverse (1200000110111), we get a palindrome (2310110110132).

The spelling of 1110110000021 in words is "one trillion, one hundred ten billion, one hundred ten million, twenty-one", and thus it is an aban number.