10191919201 has 4 divisors (see below), whose sum is σ = 10192284592. Its totient is φ = 10191553812.

The previous prime is 10191919141. The next prime is 10191919207. The reversal of 10191919201 is 10291919101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10191919201 - 2¹⁵ = 10191886433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10191919207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137055 + ... + 197908.

It is an arithmetic number, because the mean of its divisors is an integer number (2548071148).

Almost surely, 2^10191919201 is an apocalyptic number.

It is an amenable number.

10191919201 is a deficient number, since it is larger than the sum of its proper divisors (365391).

10191919201 is an equidigital number, since it uses as much as digits as its factorization.

10191919201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365390.

The product of its (nonzero) digits is 1458, while the sum is 34.

The spelling of 10191919201 in words is "ten billion, one hundred ninety-one million, nine hundred nineteen thousand, two hundred one".