121133334221 has 8 divisors (see below), whose sum is σ = 121678328640. Its totient is φ = 120588439968.

The previous prime is 121133334209. The next prime is 121133334281. The reversal of 121133334221 is 122433331121.

It is a happy number.

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 121133334221 - 2¹⁰ = 121133333197 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 (121133334281) 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, 3514745 + ... + 3549041.

It is an arithmetic number, because the mean of its divisors is an integer number (15209791080).

Almost surely, 2^121133334221 is an apocalyptic number.

It is an amenable number.

121133334221 is a deficient number, since it is larger than the sum of its proper divisors (544994419).

121133334221 is a wasteful number, since it uses less digits than its factorization.

121133334221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50083.

The product of its digits is 2592, while the sum is 26.

Adding to 121133334221 its reverse (122433331121), we get a palindrome (243566665342).

The spelling of 121133334221 in words is "one hundred twenty-one billion, one hundred thirty-three million, three hundred thirty-four thousand, two hundred twenty-one".