10201221223 has 2 divisors, whose sum is σ = 10201221224. Its totient is φ = 10201221222.

The previous prime is 10201221203. The next prime is 10201221241. The reversal of 10201221223 is 32212210201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10201221223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10201221197 and 10201221206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201221203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100610611 + 5100610612.

It is an arithmetic number, because the mean of its divisors is an integer number (5100610612).

Almost surely, 2^10201221223 is an apocalyptic number.

10201221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201221223 is an equidigital number, since it uses as much as digits as its factorization.

10201221223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 10201221223 its reverse (32212210201), we get a palindrome (42413431424).

The spelling of 10201221223 in words is "ten billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty-three".