121100113223 has 4 divisors (see below), whose sum is σ = 121160154960. Its totient is φ = 121040071488.

The previous prime is 121100113193. The next prime is 121100113237. The reversal of 121100113223 is 322311001121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121100113223 - 2³² = 116805145927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121103113223) 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, 30017843 + ... + 30021876.

It is an arithmetic number, because the mean of its divisors is an integer number (30290038740).

Almost surely, 2^121100113223 is an apocalyptic number.

121100113223 is a deficient number, since it is larger than the sum of its proper divisors (60041737).

121100113223 is an equidigital number, since it uses as much as digits as its factorization.

121100113223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60041736.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 121100113223 its reverse (322311001121), we get a palindrome (443411114344).

The spelling of 121100113223 in words is "one hundred twenty-one billion, one hundred million, one hundred thirteen thousand, two hundred twenty-three".