10201099919 has 2 divisors, whose sum is σ = 10201099920. Its totient is φ = 10201099918.

The previous prime is 10201099897. The next prime is 10201100009. The reversal of 10201099919 is 91999010201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10201099919 - 2⁸ = 10201099663 is a prime.

It is a super-2 number, since 2×10201099919² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201099619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100549959 + 5100549960.

It is an arithmetic number, because the mean of its divisors is an integer number (5100549960).

Almost surely, 2^10201099919 is an apocalyptic number.

10201099919 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201099919 is an equidigital number, since it uses as much as digits as its factorization.

10201099919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 41.

The spelling of 10201099919 in words is "ten billion, two hundred one million, ninety-nine thousand, nine hundred nineteen".