19101442201 has 16 divisors (see below), whose sum is σ = 20144678400. Its totient is φ = 18076436928.

The previous prime is 19101442189. The next prime is 19101442207. The reversal of 19101442201 is 10224410191.

It is a cyclic number.

It is not a de Polignac number, because 19101442201 - 2⁵ = 19101442169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19101442207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1797235 + ... + 1807831.

It is an arithmetic number, because the mean of its divisors is an integer number (1259042400).

Almost surely, 2^19101442201 is an apocalyptic number.

It is an amenable number.

19101442201 is a deficient number, since it is larger than the sum of its proper divisors (1043236199).

19101442201 is a wasteful number, since it uses less digits than its factorization.

19101442201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11448.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 19101442201 its reverse (10224410191), we get a palindrome (29325852392).

The spelling of 19101442201 in words is "nineteen billion, one hundred one million, four hundred forty-two thousand, two hundred one".