110111220121 has 8 divisors (see below), whose sum is σ = 125871831360. Its totient is φ = 94358218128.

The previous prime is 110111220103. The next prime is 110111220157. The reversal of 110111220121 is 121022111011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 110111220121 - 2⁷ = 110111219993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110111223121) 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, 1871266 + ... + 1929211.

It is an arithmetic number, because the mean of its divisors is an integer number (15733978920).

Almost surely, 2^110111220121 is an apocalyptic number.

It is an amenable number.

110111220121 is a deficient number, since it is larger than the sum of its proper divisors (15760611239).

110111220121 is an equidigital number, since it uses as much as digits as its factorization.

110111220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804623.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 110111220121 its reverse (121022111011), we get a palindrome (231133331132).

The spelling of 110111220121 in words is "one hundred ten billion, one hundred eleven million, two hundred twenty thousand, one hundred twenty-one".