10132311221 has 2 divisors, whose sum is σ = 10132311222. Its totient is φ = 10132311220.

The previous prime is 10132311191. The next prime is 10132311271. The reversal of 10132311221 is 12211323101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10011003025 + 121308196 = 100055^2 + 11014^2 .

It is a cyclic number.

It is not a de Polignac number, because 10132311221 - 2¹⁸ = 10132049077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10132311221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10132311271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5066155610 + 5066155611.

It is an arithmetic number, because the mean of its divisors is an integer number (5066155611).

Almost surely, 2^10132311221 is an apocalyptic number.

It is an amenable number.

10132311221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10132311221 is an equidigital number, since it uses as much as digits as its factorization.

10132311221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 10132311221 its reverse (12211323101), we get a palindrome (22343634322).

The spelling of 10132311221 in words is "ten billion, one hundred thirty-two million, three hundred eleven thousand, two hundred twenty-one".