121121221344203 has 8 divisors (see below), whose sum is σ = 121134180459600. Its totient is φ = 121108262865408.

The previous prime is 121121221344199. The next prime is 121121221344241. The reversal of 121121221344203 is 302443122121121.

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 121121221344203 - 2² = 121121221344199 is a prime.

It is a super-2 number, since 2×121121221344203² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121121221364203) 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, 444585275 + ... + 444857627.

It is an arithmetic number, because the mean of its divisors is an integer number (15141772557450).

Almost surely, 2^{121121221344203} is an apocalyptic number.

121121221344203 is a deficient number, since it is larger than the sum of its proper divisors (12959115397).

121121221344203 is a wasteful number, since it uses less digits than its factorization.

121121221344203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318301.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 121121221344203 its reverse (302443122121121), we get a palindrome (423564343465324).

The spelling of 121121221344203 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, two hundred twenty-one million, three hundred forty-four thousand, two hundred three".