121332244401 has 12 divisors (see below), whose sum is σ = 175376847360. Its totient is φ = 80833165560.

The previous prime is 121332244387. The next prime is 121332244403. The reversal of 121332244401 is 104442233121.

121332244401 is a `hidden beast` number, since 1 + 2 + 1 + 33 + 224 + 4 + 401 = 666.

It is not a de Polignac number, because 121332244401 - 2²² = 121328050097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121332244403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4569141 + ... + 4595618.

It is an arithmetic number, because the mean of its divisors is an integer number (14614737280).

Almost surely, 2^121332244401 is an apocalyptic number.

It is an amenable number.

121332244401 is a deficient number, since it is larger than the sum of its proper divisors (54044602959).

121332244401 is a wasteful number, since it uses less digits than its factorization.

121332244401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166236 (or 9166233 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 121332244401 its reverse (104442233121), we get a palindrome (225774477522).

The spelling of 121332244401 in words is "one hundred twenty-one billion, three hundred thirty-two million, two hundred forty-four thousand, four hundred one".