110222222000021 has 4 divisors (see below), whose sum is σ = 110222287910112. Its totient is φ = 110222156089932.

The previous prime is 110222222000003. The next prime is 110222222000053. The reversal of 110222222000021 is 120000222222011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 110222222000021 - 2⁶ = 110222221999957 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 (110222222000071) 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, 30379481 + ... + 33813566.

It is an arithmetic number, because the mean of its divisors is an integer number (27555571977528).

Almost surely, 2^{110222222000021} is an apocalyptic number.

It is an amenable number.

110222222000021 is a deficient number, since it is larger than the sum of its proper divisors (65910091).

110222222000021 is an equidigital number, since it uses as much as digits as its factorization.

110222222000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65910090.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 110222222000021 its reverse (120000222222011), we get a palindrome (230222444222032).

The spelling of 110222222000021 in words is "one hundred ten trillion, two hundred twenty-two billion, two hundred twenty-two million, twenty-one", and thus it is an aban number.