121124324331223 has 4 divisors (see below), whose sum is σ = 121134243623128. Its totient is φ = 121114405039320.

The previous prime is 121124324331191. The next prime is 121124324331251. The reversal of 121124324331223 is 322133423421121.

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 121124324331223 - 2⁵ = 121124324331191 is a prime.

It is a super-2 number, since 2×121124324331223² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121124324338223) 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, 4959627636 + ... + 4959652057.

It is an arithmetic number, because the mean of its divisors is an integer number (30283560905782).

Almost surely, 2^{121124324331223} is an apocalyptic number.

121124324331223 is a deficient number, since it is larger than the sum of its proper divisors (9919291905).

121124324331223 is an equidigital number, since it uses as much as digits as its factorization.

121124324331223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9919291904.

The product of its digits is 41472, while the sum is 34.

Adding to 121124324331223 its reverse (322133423421121), we get a palindrome (443257747752344).

The spelling of 121124324331223 in words is "one hundred twenty-one trillion, one hundred twenty-four billion, three hundred twenty-four million, three hundred thirty-one thousand, two hundred twenty-three".