110402422421 has 4 divisors (see below), whose sum is σ = 110404619244. Its totient is φ = 110400225600.

The previous prime is 110402422381. The next prime is 110402422483. The reversal of 110402422421 is 124224204011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14667874321 + 95734548100 = 121111^2 + 309410^2 .

It is a cyclic number.

It is not a de Polignac number, because 110402422421 - 2¹⁸ = 110402160277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110402422021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021220 + ... + 1124141.

It is an arithmetic number, because the mean of its divisors is an integer number (27601154811).

Almost surely, 2^110402422421 is an apocalyptic number.

It is an amenable number.

110402422421 is a deficient number, since it is larger than the sum of its proper divisors (2196823).

110402422421 is an equidigital number, since it uses as much as digits as its factorization.

110402422421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196822.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 110402422421 its reverse (124224204011), we get a palindrome (234626626432).

The spelling of 110402422421 in words is "one hundred ten billion, four hundred two million, four hundred twenty-two thousand, four hundred twenty-one".