121023301233221 has 4 divisors (see below), whose sum is σ = 121024197551712. Its totient is φ = 121022404914732.

The previous prime is 121023301233161. The next prime is 121023301233229. The reversal of 121023301233221 is 122332103320121.

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 a de Polignac number, because none of the positive numbers 2^k-121023301233221 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 (121023301233229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447956681 + ... + 448226766.

It is an arithmetic number, because the mean of its divisors is an integer number (30256049387928).

Almost surely, 2^{121023301233221} is an apocalyptic number.

It is an amenable number.

121023301233221 is a deficient number, since it is larger than the sum of its proper divisors (896318491).

121023301233221 is an equidigital number, since it uses as much as digits as its factorization.

121023301233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896318490.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 121023301233221 its reverse (122332103320121), we get a palindrome (243355404553342).

The spelling of 121023301233221 in words is "one hundred twenty-one trillion, twenty-three billion, three hundred one million, two hundred thirty-three thousand, two hundred twenty-one".