110221222021111 has 4 divisors (see below), whose sum is σ = 110221243046032. Its totient is φ = 110221200996192.

The previous prime is 110221222021073. The next prime is 110221222021123. The reversal of 110221222021111 is 111120222122011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 110221222021111 - 2²¹ = 110221219923959 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 (110221222021411) 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, 4447630 + ... + 15499156.

It is an arithmetic number, because the mean of its divisors is an integer number (27555310761508).

Almost surely, 2^{110221222021111} is an apocalyptic number.

110221222021111 is a deficient number, since it is larger than the sum of its proper divisors (21024921).

110221222021111 is an equidigital number, since it uses as much as digits as its factorization.

110221222021111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21024920.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 110221222021111 its reverse (111120222122011), we get a palindrome (221341444143122).

The spelling of 110221222021111 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, one hundred eleven".