110120211220121 has 4 divisors (see below), whose sum is σ = 110121583497744. Its totient is φ = 110118838942500.

The previous prime is 110120211220111. The next prime is 110120211220193. The reversal of 110120211220121 is 121022112021011.

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 110120211220121 - 2⁶ = 110120211220057 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 110120211220121.

It is not an unprimeable number, because it can be changed into a prime (110120211220111) 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, 686018435 + ... + 686178936.

It is an arithmetic number, because the mean of its divisors is an integer number (27530395874436).

Almost surely, 2^{110120211220121} is an apocalyptic number.

It is an amenable number.

110120211220121 is a deficient number, since it is larger than the sum of its proper divisors (1372277623).

110120211220121 is an equidigital number, since it uses as much as digits as its factorization.

110120211220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372277622.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 110120211220121 its reverse (121022112021011), we get a palindrome (231142323241132).

The spelling of 110120211220121 in words is "one hundred ten trillion, one hundred twenty billion, two hundred eleven million, two hundred twenty thousand, one hundred twenty-one".