110111220211121 has 4 divisors (see below), whose sum is σ = 111140297035632. Its totient is φ = 109082143386612.

The previous prime is 110111220211099. The next prime is 110111220211219. The reversal of 110111220211121 is 121112022111011.

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 110111220211121 - 2¹⁴ = 110111220194737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110111220211121.

It is not an unprimeable number, because it can be changed into a prime (110111220217121) 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, 514538412095 + ... + 514538412308.

It is an arithmetic number, because the mean of its divisors is an integer number (27785074258908).

Almost surely, 2^{110111220211121} is an apocalyptic number.

It is an amenable number.

110111220211121 is a deficient number, since it is larger than the sum of its proper divisors (1029076824511).

110111220211121 is a wasteful number, since it uses less digits than its factorization.

110111220211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029076824510.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 110111220211121 its reverse (121112022111011), we get a palindrome (231223242322132).

The spelling of 110111220211121 in words is "one hundred ten trillion, one hundred eleven billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty-one".