22201001200001 has 4 divisors (see below), whose sum is σ = 23908770523092. Its totient is φ = 20493231876912.

The previous prime is 22201001199991. The next prime is 22201001200009. The reversal of 22201001200001 is 10000210010222.

It is a happy number.

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 9140554522225 + 13060446677776 = 3023335^2 + 3613924^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22201001200001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22201001200009) 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, 853884661526 + ... + 853884661551.

It is an arithmetic number, because the mean of its divisors is an integer number (5977192630773).

Almost surely, 2^{22201001200001} is an apocalyptic number.

It is an amenable number.

22201001200001 is a deficient number, since it is larger than the sum of its proper divisors (1707769323091).

22201001200001 is a wasteful number, since it uses less digits than its factorization.

22201001200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707769323090.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22201001200001 its reverse (10000210010222), we get a palindrome (32201211210223).

The spelling of 22201001200001 in words is "twenty-two trillion, two hundred one billion, one million, two hundred thousand, one".