220221211037 has 2 divisors, whose sum is σ = 220221211038. Its totient is φ = 220221211036.

The previous prime is 220221210991. The next prime is 220221211039. The reversal of 220221211037 is 730112122022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211021715641 + 9199495396 = 459371^2 + 95914^2 .

It is a cyclic number.

It is not a de Polignac number, because 220221211037 - 2²⁴ = 220204433821 is a prime.

Together with 220221211039, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220221211039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110110605518 + 110110605519.

It is an arithmetic number, because the mean of its divisors is an integer number (110110605519).

Almost surely, 2^220221211037 is an apocalyptic number.

It is an amenable number.

220221211037 is a deficient number, since it is larger than the sum of its proper divisors (1).

220221211037 is an equidigital number, since it uses as much as digits as its factorization.

220221211037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 220221211037 its reverse (730112122022), we get a palindrome (950333333059).

The spelling of 220221211037 in words is "two hundred twenty billion, two hundred twenty-one million, two hundred eleven thousand, thirty-seven".