22001200210001 has 4 divisors (see below), whose sum is σ = 22001657749104. Its totient is φ = 22000742670900.

The previous prime is 22001200209973. The next prime is 22001200210013. The reversal of 22001200210001 is 10001200210022.

It is a happy number.

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 22001200210001 - 2²² = 22001196015697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001200210081) 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, 228697415 + ... + 228793596.

It is an arithmetic number, because the mean of its divisors is an integer number (5500414437276).

Almost surely, 2^{22001200210001} is an apocalyptic number.

It is an amenable number.

22001200210001 is a deficient number, since it is larger than the sum of its proper divisors (457539103).

22001200210001 is an equidigital number, since it uses as much as digits as its factorization.

22001200210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457539102.

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

Adding to 22001200210001 its reverse (10001200210022), we get a palindrome (32002400420023).

It can be divided in two parts, 22001 and 200210001, that added together give a palindrome (200232002).

The spelling of 22001200210001 in words is "twenty-two trillion, one billion, two hundred million, two hundred ten thousand, one".