1110110002021 has 2 divisors, whose sum is σ = 1110110002022. Its totient is φ = 1110110002020.

The previous prime is 1110110002019. The next prime is 1110110002031. The reversal of 1110110002021 is 1202000110111.

It is an a-pointer prime, because the next prime (1110110002031) can be obtained adding 1110110002021 to its sum of digits (10).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760888099521 + 349221902500 = 872289^2 + 590950^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110110002021 - 2¹ = 1110110002019 is a prime.

Together with 1110110002019, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1110110001989 and 1110110002007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110110002031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555055001010 + 555055001011.

It is an arithmetic number, because the mean of its divisors is an integer number (555055001011).

Almost surely, 2^{1110110002021} is an apocalyptic number.

It is an amenable number.

1110110002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110110002021 is an equidigital number, since it uses as much as digits as its factorization.

1110110002021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1110110002021 its reverse (1202000110111), we get a palindrome (2312110112132).

The spelling of 1110110002021 in words is "one trillion, one hundred ten billion, one hundred ten million, two thousand, twenty-one".