22001212110201 has 16 divisors (see below), whose sum is σ = 29420736848640. Its totient is φ = 14624643541760.

The previous prime is 22001212110191. The next prime is 22001212110209. The reversal of 22001212110201 is 10201121210022.

It is a cyclic number.

It is not a de Polignac number, because 22001212110201 - 2³³ = 21992622175609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22001212110209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6401520 + ... + 9218561.

It is an arithmetic number, because the mean of its divisors is an integer number (1838796053040).

Almost surely, 2^{22001212110201} is an apocalyptic number.

It is an amenable number.

22001212110201 is a deficient number, since it is larger than the sum of its proper divisors (7419524738439).

22001212110201 is a wasteful number, since it uses less digits than its factorization.

22001212110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15621456.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22001212110201 its reverse (10201121210022), we get a palindrome (32202333320223).

The spelling of 22001212110201 in words is "twenty-two trillion, one billion, two hundred twelve million, one hundred ten thousand, two hundred one".