121440233321 has 8 divisors (see below), whose sum is σ = 134979882624. Its totient is φ = 108317188720.

The previous prime is 121440233263. The next prime is 121440233359. The reversal of 121440233321 is 123332044121.

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 121440233321 - 2³⁴ = 104260364137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121440233821) 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, 104150561 + ... + 104151726.

It is an arithmetic number, because the mean of its divisors is an integer number (16872485328).

Almost surely, 2^121440233321 is an apocalyptic number.

121440233321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121440233321 is a deficient number, since it is larger than the sum of its proper divisors (13539649303).

121440233321 is a wasteful number, since it uses less digits than its factorization.

121440233321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208302351.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 121440233321 its reverse (123332044121), we get a palindrome (244772277442).

The spelling of 121440233321 in words is "one hundred twenty-one billion, four hundred forty million, two hundred thirty-three thousand, three hundred twenty-one".