222100021147 has 2 divisors, whose sum is σ = 222100021148. Its totient is φ = 222100021146.

The previous prime is 222100021007. The next prime is 222100021189. The reversal of 222100021147 is 741120001222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222100021147 is a prime.

It is not a weakly prime, because it can be changed into another prime (222100021747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050010573 + 111050010574.

It is an arithmetic number, because the mean of its divisors is an integer number (111050010574).

Almost surely, 2^222100021147 is an apocalyptic number.

222100021147 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100021147 is an equidigital number, since it uses as much as digits as its factorization.

222100021147 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 222100021147 its reverse (741120001222), we get a palindrome (963220022369).

The spelling of 222100021147 in words is "two hundred twenty-two billion, one hundred million, twenty-one thousand, one hundred forty-seven".