121440234322441 has 32 divisors (see below), whose sum is σ = 122941615104000. Its totient is φ = 119950890508800.

The previous prime is 121440234322427. The next prime is 121440234322447. The reversal of 121440234322441 is 144223432044121.

It is a cyclic number.

It is not a de Polignac number, because 121440234322441 - 2⁵ = 121440234322409 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121440234322441.

It is not an unprimeable number, because it can be changed into a prime (121440234322447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25305318360 + ... + 25305323158.

It is an arithmetic number, because the mean of its divisors is an integer number (3841925472000).

Almost surely, 2^{121440234322441} is an apocalyptic number.

It is an amenable number.

121440234322441 is a deficient number, since it is larger than the sum of its proper divisors (1501380781559).

121440234322441 is a wasteful number, since it uses less digits than its factorization.

121440234322441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649.

The product of its (nonzero) digits is 147456, while the sum is 37.

Adding to 121440234322441 its reverse (144223432044121), we get a palindrome (265663666366562).

The spelling of 121440234322441 in words is "one hundred twenty-one trillion, four hundred forty billion, two hundred thirty-four million, three hundred twenty-two thousand, four hundred forty-one".