10002219991 has 2 divisors, whose sum is σ = 10002219992.
Its totient is φ = 10002219990.
The previous prime is 10002219979. The next prime is 10002220001. The reversal of 10002219991 is 19991220001.
Adding to 10002219991 its reverse (19991220001), we get a palindrome (29993439992).
It is a strong prime.
It is an emirp because it is prime and its reverse (19991220001) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 10002219991 - 27 = 10002219863 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10002219901) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5001109995 + 5001109996.
It is an arithmetic number, because the mean of its divisors is an integer number (5001109996).
Almost surely, 210002219991 is an apocalyptic number.
10002219991 is a deficient number, since it is larger than the sum of its proper divisors (1).
10002219991 is an equidigital number, since it uses as much as digits as its factorization.
10002219991 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2916, while the sum is 34.
The spelling of 10002219991 in words is "ten billion, two million, two hundred nineteen thousand, nine hundred ninety-one".