121342344441 has 32 divisors (see below), whose sum is σ = 170169766272. Its totient is φ = 76836264960.

The previous prime is 121342344427. The next prime is 121342344449. The reversal of 121342344441 is 144443243121.

It is a happy number.

It is not a de Polignac number, because 121342344441 - 2¹⁸ = 121342082297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121342344449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694051 + ... + 851111.

It is an arithmetic number, because the mean of its divisors is an integer number (5317805196).

Almost surely, 2^121342344441 is an apocalyptic number.

It is an amenable number.

121342344441 is a deficient number, since it is larger than the sum of its proper divisors (48827421831).

121342344441 is a wasteful number, since it uses less digits than its factorization.

121342344441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157273.

The product of its digits is 36864, while the sum is 33.

Adding to 121342344441 its reverse (144443243121), we get a palindrome (265785587562).

The spelling of 121342344441 in words is "one hundred twenty-one billion, three hundred forty-two million, three hundred forty-four thousand, four hundred forty-one".