100222220947 has 2 divisors, whose sum is σ = 100222220948. Its totient is φ = 100222220946.

The previous prime is 100222220921. The next prime is 100222220963. The reversal of 100222220947 is 749022222001.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (749022222001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100222220947 - 2²⁷ = 100088003219 is a prime.

It is not a weakly prime, because it can be changed into another prime (100222220977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50111110473 + 50111110474.

It is an arithmetic number, because the mean of its divisors is an integer number (50111110474).

Almost surely, 2^100222220947 is an apocalyptic number.

100222220947 is a deficient number, since it is larger than the sum of its proper divisors (1).

100222220947 is an equidigital number, since it uses as much as digits as its factorization.

100222220947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 100222220947 its reverse (749022222001), we get a palindrome (849244442948).

The spelling of 100222220947 in words is "one hundred billion, two hundred twenty-two million, two hundred twenty thousand, nine hundred forty-seven".