121220301033323 has 4 divisors (see below), whose sum is σ = 122582326887720. Its totient is φ = 119858275178928.

The previous prime is 121220301033317. The next prime is 121220301033379. The reversal of 121220301033323 is 323330103022121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121220301033323 is a prime.

It is a super-2 number, since 2×121220301033323² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121220301033292 and 121220301033301.

It is not an unprimeable number, because it can be changed into a prime (121220301033313) 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, 681012927065 + ... + 681012927242.

It is an arithmetic number, because the mean of its divisors is an integer number (30645581721930).

Almost surely, 2^{121220301033323} is an apocalyptic number.

121220301033323 is a deficient number, since it is larger than the sum of its proper divisors (1362025854397).

121220301033323 is an equidigital number, since it uses as much as digits as its factorization.

121220301033323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362025854396.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 121220301033323 its reverse (323330103022121), we get a palindrome (444550404055444).

The spelling of 121220301033323 in words is "one hundred twenty-one trillion, two hundred twenty billion, three hundred one million, thirty-three thousand, three hundred twenty-three".