2230121303021 has 2 divisors, whose sum is σ = 2230121303022. Its totient is φ = 2230121303020.

The previous prime is 2230121302921. The next prime is 2230121303099. The reversal of 2230121303021 is 1203031210322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2228269722121 + 1851580900 = 1492739^2 + 43030^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230121303021 - 2³⁴ = 2212941433837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2230121302984 and 2230121303002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2230121308021) 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 as a sum of consecutive naturals, namely, 1115060651510 + 1115060651511.

It is an arithmetic number, because the mean of its divisors is an integer number (1115060651511).

Almost surely, 2^{2230121303021} is an apocalyptic number.

It is an amenable number.

2230121303021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230121303021 is an equidigital number, since it uses as much as digits as its factorization.

2230121303021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2230121303021 its reverse (1203031210322), we get a palindrome (3433152513343).

The spelling of 2230121303021 in words is "two trillion, two hundred thirty billion, one hundred twenty-one million, three hundred three thousand, twenty-one".