221232223012153 has 2 divisors, whose sum is σ = 221232223012154. Its totient is φ = 221232223012152.

The previous prime is 221232223012093. The next prime is 221232223012181. The reversal of 221232223012153 is 351210322232122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172918213126569 + 48314009885584 = 13149837^2 + 6950828^2 .

It is a cyclic number.

It is not a de Polignac number, because 221232223012153 - 2²¹ = 221232220915001 is a prime.

It is not a weakly prime, because it can be changed into another prime (221232223012193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110616111506076 + 110616111506077.

It is an arithmetic number, because the mean of its divisors is an integer number (110616111506077).

Almost surely, 2^{221232223012153} is an apocalyptic number.

It is an amenable number.

221232223012153 is a deficient number, since it is larger than the sum of its proper divisors (1).

221232223012153 is an equidigital number, since it uses as much as digits as its factorization.

221232223012153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 221232223012153 its reverse (351210322232122), we get a palindrome (572442545244275).

The spelling of 221232223012153 in words is "two hundred twenty-one trillion, two hundred thirty-two billion, two hundred twenty-three million, twelve thousand, one hundred fifty-three".