22210001212201 has 16 divisors (see below), whose sum is σ = 24480847634688. Its totient is φ = 19981307872000.

The previous prime is 22210001212159. The next prime is 22210001212213. The reversal of 22210001212201 is 10221210001222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22210001212201 - 2⁹ = 22210001211689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22210001213201) 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, 2553136 + ... + 7137121.

It is an arithmetic number, because the mean of its divisors is an integer number (1530052977168).

Almost surely, 2^{22210001212201} is an apocalyptic number.

It is an amenable number.

22210001212201 is a deficient number, since it is larger than the sum of its proper divisors (2270846422487).

22210001212201 is a wasteful number, since it uses less digits than its factorization.

22210001212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9692432.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22210001212201 its reverse (10221210001222), we get a palindrome (32431211213423).

The spelling of 22210001212201 in words is "twenty-two trillion, two hundred ten billion, one million, two hundred twelve thousand, two hundred one".