2230220306021 has 2 divisors, whose sum is σ = 2230220306022. Its totient is φ = 2230220306020.

The previous prime is 2230220306009. The next prime is 2230220306029. The reversal of 2230220306021 is 1206030220322.

2230220306021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1583545392100 + 646674913921 = 1258390^2 + 804161^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230220306021 - 2²⁶ = 2230153197157 is a prime.

It is a super-2 number, since 2×2230220306021² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2230220306029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115110153010 + 1115110153011.

It is an arithmetic number, because the mean of its divisors is an integer number (1115110153011).

Almost surely, 2^{2230220306021} is an apocalyptic number.

It is an amenable number.

2230220306021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230220306021 is an equidigital number, since it uses as much as digits as its factorization.

2230220306021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2230220306021 its reverse (1206030220322), we get a palindrome (3436250526343).

The spelling of 2230220306021 in words is "two trillion, two hundred thirty billion, two hundred twenty million, three hundred six thousand, twenty-one".