1210000221223 has 2 divisors, whose sum is σ = 1210000221224. Its totient is φ = 1210000221222.

The previous prime is 1210000221193. The next prime is 1210000221229. The reversal of 1210000221223 is 3221220000121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3221220000121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210000221223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1210000221197 and 1210000221206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210000221229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605000110611 + 605000110612.

It is an arithmetic number, because the mean of its divisors is an integer number (605000110612).

Almost surely, 2^{1210000221223} is an apocalyptic number.

1210000221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210000221223 is an equidigital number, since it uses as much as digits as its factorization.

1210000221223 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 1210000221223 its reverse (3221220000121), we get a palindrome (4431220221344).

The spelling of 1210000221223 in words is "one trillion, two hundred ten billion, two hundred twenty-one thousand, two hundred twenty-three".