110222200121021 has 4 divisors (see below), whose sum is σ = 110441329744032. Its totient is φ = 110003070498012.

The previous prime is 110222200121009. The next prime is 110222200121069. The reversal of 110222200121021 is 120121002222011.

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 110222200121021 - 2²⁶ = 110222133012157 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 (110222200121081) 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, 109564810751 + ... + 109564811756.

It is an arithmetic number, because the mean of its divisors is an integer number (27610332436008).

Almost surely, 2^{110222200121021} is an apocalyptic number.

It is an amenable number.

110222200121021 is a deficient number, since it is larger than the sum of its proper divisors (219129623011).

110222200121021 is an equidigital number, since it uses as much as digits as its factorization.

110222200121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219129623010.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110222200121021 its reverse (120121002222011), we get a palindrome (230343202343032).

The spelling of 110222200121021 in words is "one hundred ten trillion, two hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, twenty-one".