110402422021 has 2 divisors, whose sum is σ = 110402422022. Its totient is φ = 110402422020.

The previous prime is 110402421979. The next prime is 110402422033. The reversal of 110402422021 is 120224204011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75412848996 + 34989573025 = 274614^2 + 187055^2 .

It is a cyclic number.

It is not a de Polignac number, because 110402422021 - 2⁷ = 110402421893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 110402422021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110402422721) 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 as a sum of consecutive naturals, namely, 55201211010 + 55201211011.

It is an arithmetic number, because the mean of its divisors is an integer number (55201211011).

Almost surely, 2^110402422021 is an apocalyptic number.

It is an amenable number.

110402422021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110402422021 is an equidigital number, since it uses as much as digits as its factorization.

110402422021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 110402422021 its reverse (120224204011), we get a palindrome (230626626032).

The spelling of 110402422021 in words is "one hundred ten billion, four hundred two million, four hundred twenty-two thousand, twenty-one".