10001202219991 has 2 divisors, whose sum is σ = 10001202219992. Its totient is φ = 10001202219990.

The previous prime is 10001202219979. The next prime is 10001202220003. The reversal of 10001202219991 is 19991220210001.

It is a balanced prime because it is at equal distance from previous prime (10001202219979) and next prime (10001202220003).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10001202219991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10001202219991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10001202219941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000601109995 + 5000601109996.

It is an arithmetic number, because the mean of its divisors is an integer number (5000601109996).

Almost surely, 2^{10001202219991} is an apocalyptic number.

10001202219991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10001202219991 is an equidigital number, since it uses as much as digits as its factorization.

10001202219991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 37.

Adding to 10001202219991 its reverse (19991220210001), we get a palindrome (29992422429992).

The spelling of 10001202219991 in words is "ten trillion, one billion, two hundred two million, two hundred nineteen thousand, nine hundred ninety-one".