1110110122221 has 8 divisors (see below), whose sum is σ = 1480175721600. Its totient is φ = 740058968832.

The previous prime is 1110110122183. The next prime is 1110110122309. The reversal of 1110110122221 is 1222210110111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1110110122221 - 2¹⁸ = 1110109860077 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110110122221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110110126221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3430900 + ... + 3740493.

It is an arithmetic number, because the mean of its divisors is an integer number (185021965200).

Almost surely, 2^{1110110122221} is an apocalyptic number.

It is an amenable number.

1110110122221 is a deficient number, since it is larger than the sum of its proper divisors (370065599379).

1110110122221 is an equidigital number, since it uses as much as digits as its factorization.

1110110122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7222995.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1110110122221 its reverse (1222210110111), we get a palindrome (2332320232332).

The spelling of 1110110122221 in words is "one trillion, one hundred ten billion, one hundred ten million, one hundred twenty-two thousand, two hundred twenty-one".