110022021221 has 4 divisors (see below), whose sum is σ = 125739452832. Its totient is φ = 94304589612.

The previous prime is 110022021157. The next prime is 110022021271. The reversal of 110022021221 is 122120220011.

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 110022021221 - 2⁶ = 110022021157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110022021196 and 110022021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110022021271) 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 in 3 ways as a sum of consecutive naturals, for example, 7858715795 + ... + 7858715808.

It is an arithmetic number, because the mean of its divisors is an integer number (31434863208).

Almost surely, 2^110022021221 is an apocalyptic number.

It is an amenable number.

110022021221 is a deficient number, since it is larger than the sum of its proper divisors (15717431611).

110022021221 is an equidigital number, since it uses as much as digits as its factorization.

110022021221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15717431610.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 110022021221 its reverse (122120220011), we get a palindrome (232142241232).

The spelling of 110022021221 in words is "one hundred ten billion, twenty-two million, twenty-one thousand, two hundred twenty-one".