121112221133 has 8 divisors (see below), whose sum is σ = 128068313856. Its totient is φ = 114346706400.

The previous prime is 121112221081. The next prime is 121112221157. The reversal of 121112221133 is 331122211121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121112221133 - 2⁸ = 121112220877 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 (121112211133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47643191 + ... + 47645732.

It is an arithmetic number, because the mean of its divisors is an integer number (16008539232).

Almost surely, 2^121112221133 is an apocalyptic number.

It is an amenable number.

121112221133 is a deficient number, since it is larger than the sum of its proper divisors (6956092723).

121112221133 is an equidigital number, since it uses as much as digits as its factorization.

121112221133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95288995.

The product of its digits is 144, while the sum is 20.

Adding to 121112221133 its reverse (331122211121), we get a palindrome (452234432254).

The spelling of 121112221133 in words is "one hundred twenty-one billion, one hundred twelve million, two hundred twenty-one thousand, one hundred thirty-three".