121221133003301 has 4 divisors (see below), whose sum is σ = 121307781420000. Its totient is φ = 121134484586604.

The previous prime is 121221133003279. The next prime is 121221133003303. The reversal of 121221133003301 is 103300331122121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121221133003301 - 2¹⁸ = 121221132741157 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 (121221133003303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43324206251 + ... + 43324209048.

It is an arithmetic number, because the mean of its divisors is an integer number (30326945355000).

Almost surely, 2^{121221133003301} is an apocalyptic number.

It is an amenable number.

121221133003301 is a deficient number, since it is larger than the sum of its proper divisors (86648416699).

121221133003301 is an equidigital number, since it uses as much as digits as its factorization.

121221133003301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86648416698.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121221133003301 its reverse (103300331122121), we get a palindrome (224521464125422).

The spelling of 121221133003301 in words is "one hundred twenty-one trillion, two hundred twenty-one billion, one hundred thirty-three million, three thousand, three hundred one".