121112330221 has 8 divisors (see below), whose sum is σ = 125397504000. Its totient is φ = 116834415600.

The previous prime is 121112330179. The next prime is 121112330231. The reversal of 121112330221 is 122033211121.

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 121112330221 - 2²³ = 121103941613 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 (121112330231) 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, 1780821 + ... + 1847578.

It is an arithmetic number, because the mean of its divisors is an integer number (15674688000).

Almost surely, 2^121112330221 is an apocalyptic number.

It is an amenable number.

121112330221 is a deficient number, since it is larger than the sum of its proper divisors (4285173779).

121112330221 is a wasteful number, since it uses less digits than its factorization.

121112330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3629579.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121112330221 its reverse (122033211121), we get a palindrome (243145541342).

The spelling of 121112330221 in words is "one hundred twenty-one billion, one hundred twelve million, three hundred thirty thousand, two hundred twenty-one".