110120211121 has 4 divisors (see below), whose sum is σ = 110120899392. Its totient is φ = 110119522852.

The previous prime is 110120211107. The next prime is 110120211167. The reversal of 110120211121 is 121112021011.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110120211121 is a prime.

It is a super-4 number, since 4×110120211121⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110120211181) 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, 35340 + ... + 470626.

It is an arithmetic number, because the mean of its divisors is an integer number (27530224848).

Almost surely, 2^110120211121 is an apocalyptic number.

It is an amenable number.

110120211121 is a deficient number, since it is larger than the sum of its proper divisors (688271).

110120211121 is an equidigital number, since it uses as much as digits as its factorization.

110120211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688270.

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

Adding to 110120211121 its reverse (121112021011), we get a palindrome (231232232132).

The spelling of 110120211121 in words is "one hundred ten billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-one".