2310223200221 has 2 divisors, whose sum is σ = 2310223200222. Its totient is φ = 2310223200220.

The previous prime is 2310223200211. The next prime is 2310223200251. The reversal of 2310223200221 is 1220023220132.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2222022516025 + 88200684196 = 1490645^2 + 296986^2 .

It is a cyclic number.

It is not a de Polignac number, because 2310223200221 - 2⁶ = 2310223200157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2310223200193 and 2310223200202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2310223200211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155111600110 + 1155111600111.

It is an arithmetic number, because the mean of its divisors is an integer number (1155111600111).

Almost surely, 2^{2310223200221} is an apocalyptic number.

It is an amenable number.

2310223200221 is a deficient number, since it is larger than the sum of its proper divisors (1).

2310223200221 is an equidigital number, since it uses as much as digits as its factorization.

2310223200221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 2310223200221 its reverse (1220023220132), we get a palindrome (3530246420353).

The spelling of 2310223200221 in words is "two trillion, three hundred ten billion, two hundred twenty-three million, two hundred thousand, two hundred twenty-one".