121112013333 has 4 divisors (see below), whose sum is σ = 161482684448. Its totient is φ = 80741342220.

The previous prime is 121112013313. The next prime is 121112013349. The reversal of 121112013333 is 333310211121.

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 not a de Polignac number, because 121112013333 - 2⁹ = 121112012821 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 (121112013313) 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, 20185335553 + ... + 20185335558.

It is an arithmetic number, because the mean of its divisors is an integer number (40370671112).

Almost surely, 2^121112013333 is an apocalyptic number.

It is an amenable number.

121112013333 is a deficient number, since it is larger than the sum of its proper divisors (40370671115).

121112013333 is an equidigital number, since it uses as much as digits as its factorization.

121112013333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40370671114.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 121112013333 its reverse (333310211121), we get a palindrome (454422224454).

The spelling of 121112013333 in words is "one hundred twenty-one billion, one hundred twelve million, thirteen thousand, three hundred thirty-three".