1110230000021 has 2 divisors, whose sum is σ = 1110230000022. Its totient is φ = 1110230000020.

The previous prime is 1110229999999. The next prime is 1110230000027. The reversal of 1110230000021 is 1200000320111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1085545191025 + 24684808996 = 1041895^2 + 157114^2 .

It is an emirp because it is prime and its reverse (1200000320111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110230000021 - 2¹⁴ = 1110229983637 is a prime.

It is a super-2 number, since 2×1110230000021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1110229999957 and 1110230000011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110230000027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555115000010 + 555115000011.

It is an arithmetic number, because the mean of its divisors is an integer number (555115000011).

Almost surely, 2^{1110230000021} is an apocalyptic number.

It is an amenable number.

1110230000021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110230000021 is an equidigital number, since it uses as much as digits as its factorization.

1110230000021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1110230000021 its reverse (1200000320111), we get a palindrome (2310230320132).

The spelling of 1110230000021 in words is "one trillion, one hundred ten billion, two hundred thirty million, twenty-one", and thus it is an aban number.