22000000210001 has 4 divisors (see below), whose sum is σ = 24000000229104. Its totient is φ = 20000000190900.

The previous prime is 22000000209931. The next prime is 22000000210009. The reversal of 22000000210001 is 10001200000022.

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 22000000210001 - 2³⁸ = 21725122303057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22000000210009) 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, 1000000009535 + ... + 1000000009556.

It is an arithmetic number, because the mean of its divisors is an integer number (6000000057276).

Almost surely, 2^{22000000210001} is an apocalyptic number.

It is an amenable number.

22000000210001 is a deficient number, since it is larger than the sum of its proper divisors (2000000019103).

22000000210001 is a wasteful number, since it uses less digits than its factorization.

22000000210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000000019102.

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 22000000210001 its reverse (10001200000022), we get a palindrome (32001200210023).

The spelling of 22000000210001 in words is "twenty-two trillion, two hundred ten thousand, one".