19204403212101 has 8 divisors (see below), whose sum is σ = 26089000590240. Its totient is φ = 12561370654352.

The previous prime is 19204403212073. The next prime is 19204403212103. The reversal of 19204403212101 is 10121230440291.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19204403212101 - 2⁹ = 19204403211589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19204403212103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60391204911 + ... + 60391205228.

It is an arithmetic number, because the mean of its divisors is an integer number (3261125073780).

Almost surely, 2^{19204403212101} is an apocalyptic number.

It is an amenable number.

19204403212101 is a deficient number, since it is larger than the sum of its proper divisors (6884597378139).

19204403212101 is a wasteful number, since it uses less digits than its factorization.

19204403212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120782410195.

The product of its (nonzero) digits is 3456, while the sum is 30.

Adding to 19204403212101 its reverse (10121230440291), we get a palindrome (29325633652392).

The spelling of 19204403212101 in words is "nineteen trillion, two hundred four billion, four hundred three million, two hundred twelve thousand, one hundred one".