110211120121 has 4 divisors (see below), whose sum is σ = 110600558992. Its totient is φ = 109821681252.

The previous prime is 110211120049. The next prime is 110211120127. The reversal of 110211120121 is 121021112011.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110211120121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110211120127) 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, 194719011 + ... + 194719576.

It is an arithmetic number, because the mean of its divisors is an integer number (27650139748).

Almost surely, 2^110211120121 is an apocalyptic number.

It is an amenable number.

110211120121 is a deficient number, since it is larger than the sum of its proper divisors (389438871).

110211120121 is an equidigital number, since it uses as much as digits as its factorization.

110211120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389438870.

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

Adding to 110211120121 its reverse (121021112011), we get a palindrome (231232232132).

The spelling of 110211120121 in words is "one hundred ten billion, two hundred eleven million, one hundred twenty thousand, one hundred twenty-one".