220123332001 has 2 divisors, whose sum is σ = 220123332002. Its totient is φ = 220123332000.

The previous prime is 220123331983. The next prime is 220123332043. The reversal of 220123332001 is 100233321022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217398387600 + 2724944401 = 466260^2 + 52201^2 .

It is a cyclic number.

It is not a de Polignac number, because 220123332001 - 2⁹ = 220123331489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220123332001.

It is not a weakly prime, because it can be changed into another prime (220123332901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110061666000 + 110061666001.

It is an arithmetic number, because the mean of its divisors is an integer number (110061666001).

Almost surely, 2^220123332001 is an apocalyptic number.

It is an amenable number.

220123332001 is a deficient number, since it is larger than the sum of its proper divisors (1).

220123332001 is an equidigital number, since it uses as much as digits as its factorization.

220123332001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 220123332001 its reverse (100233321022), we get a palindrome (320356653023).

The spelling of 220123332001 in words is "two hundred twenty billion, one hundred twenty-three million, three hundred thirty-two thousand, one".