19022112210001 has 4 divisors (see below), whose sum is σ = 19022917266100. Its totient is φ = 19021307153904.

The previous prime is 19022112209983. The next prime is 19022112210091. The reversal of 19022112210001 is 10001221122091.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 353490891601 + 18668621318400 = 594551^2 + 4320720^2 .

It is a cyclic number.

It is not a de Polignac number, because 19022112210001 - 2¹⁹ = 19022111685713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19022112210091) 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, 402492606 + ... + 402539863.

It is an arithmetic number, because the mean of its divisors is an integer number (4755729316525).

Almost surely, 2^{19022112210001} is an apocalyptic number.

It is an amenable number.

19022112210001 is a deficient number, since it is larger than the sum of its proper divisors (805056099).

19022112210001 is an equidigital number, since it uses as much as digits as its factorization.

19022112210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805056098.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 19022112210001 its reverse (10001221122091), we get a palindrome (29023333332092).

The spelling of 19022112210001 in words is "nineteen trillion, twenty-two billion, one hundred twelve million, two hundred ten thousand, one".