121331134301444 has 24 divisors (see below), whose sum is σ = 213610446063168. Its totient is φ = 60299610688800.

The previous prime is 121331134301437. The next prime is 121331134301477. The reversal of 121331134301444 is 444103431133121.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10979294 + ... + 19057994.

It is an arithmetic number, because the mean of its divisors is an integer number (8900435252632).

Almost surely, 2^{121331134301444} is an apocalyptic number.

It is an amenable number.

121331134301444 is a deficient number, since it is larger than the sum of its proper divisors (92279311761724).

121331134301444 is a wasteful number, since it uses less digits than its factorization.

121331134301444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101355 (or 8101353 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 121331134301444 its reverse (444103431133121), we get a palindrome (565434565434565).

The spelling of 121331134301444 in words is "one hundred twenty-one trillion, three hundred thirty-one billion, one hundred thirty-four million, three hundred one thousand, four hundred forty-four".