2321220029993 has 2 divisors, whose sum is σ = 2321220029994. Its totient is φ = 2321220029992.

The previous prime is 2321220029987. The next prime is 2321220030071. The reversal of 2321220029993 is 3999200221232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2205676463104 + 115543566889 = 1485152^2 + 339917^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321220029993 - 2²⁸ = 2320951594537 is a prime.

It is a super-3 number, since 3×2321220029993³ (a number of 38 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (2321220029893) 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, 1160610014996 + 1160610014997.

It is an arithmetic number, because the mean of its divisors is an integer number (1160610014997).

Almost surely, 2^{2321220029993} is an apocalyptic number.

It is an amenable number.

2321220029993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321220029993 is an equidigital number, since it uses as much as digits as its factorization.

2321220029993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 44.

The spelling of 2321220029993 in words is "two trillion, three hundred twenty-one billion, two hundred twenty million, twenty-nine thousand, nine hundred ninety-three".