121200444034421 has 8 divisors (see below), whose sum is σ = 121627691864640. Its totient is φ = 120773644291168.

The previous prime is 121200444034399. The next prime is 121200444034433. The reversal of 121200444034421 is 124430444002121.

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 121200444034421 - 2¹⁰ = 121200444033397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121200444034471) 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, 111479816 + ... + 112561761.

It is an arithmetic number, because the mean of its divisors is an integer number (15203461483080).

Almost surely, 2^{121200444034421} is an apocalyptic number.

It is an amenable number.

121200444034421 is a deficient number, since it is larger than the sum of its proper divisors (427247830219).

121200444034421 is a wasteful number, since it uses less digits than its factorization.

121200444034421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224043483.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 121200444034421 its reverse (124430444002121), we get a palindrome (245630888036542).

The spelling of 121200444034421 in words is "one hundred twenty-one trillion, two hundred billion, four hundred forty-four million, thirty-four thousand, four hundred twenty-one".