10221231043 has 2 divisors, whose sum is σ = 10221231044. Its totient is φ = 10221231042.

The previous prime is 10221231017. The next prime is 10221231067. The reversal of 10221231043 is 34013212201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10221231043 - 2⁹ = 10221230531 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10221231043.

It is not a weakly prime, because it can be changed into another prime (10221231443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110615521 + 5110615522.

It is an arithmetic number, because the mean of its divisors is an integer number (5110615522).

Almost surely, 2^10221231043 is an apocalyptic number.

10221231043 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221231043 is an equidigital number, since it uses as much as digits as its factorization.

10221231043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10221231043 its reverse (34013212201), we get a palindrome (44234443244).

The spelling of 10221231043 in words is "ten billion, two hundred twenty-one million, two hundred thirty-one thousand, forty-three".