220032231101 has 2 divisors, whose sum is σ = 220032231102. Its totient is φ = 220032231100.

The previous prime is 220032231071. The next prime is 220032231119. The reversal of 220032231101 is 101132230022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 148168025476 + 71864205625 = 384926^2 + 268075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220032231101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220032231101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220032231161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110016115550 + 110016115551.

It is an arithmetic number, because the mean of its divisors is an integer number (110016115551).

Almost surely, 2^220032231101 is an apocalyptic number.

It is an amenable number.

220032231101 is a deficient number, since it is larger than the sum of its proper divisors (1).

220032231101 is an equidigital number, since it uses as much as digits as its factorization.

220032231101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220032231101 its reverse (101132230022), we get a palindrome (321164461123).

The spelling of 220032231101 in words is "two hundred twenty billion, thirty-two million, two hundred thirty-one thousand, one hundred one".