22202111222201 has 8 divisors (see below), whose sum is σ = 22204531806600. Its totient is φ = 22199690809728.

The previous prime is 22202111222171. The next prime is 22202111222243. The reversal of 22202111222201 is 10222211120222.

It can be written as a sum of positive squares in 4 ways, for example, as 4069503324601 + 18132607897600 = 2017301^2 + 4258240^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22202111222201 is a prime.

It is a super-3 number, since 3×22202111222201³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22202111222261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669750575 + ... + 669783723.

It is an arithmetic number, because the mean of its divisors is an integer number (2775566475825).

Almost surely, 2^{22202111222201} is an apocalyptic number.

It is an amenable number.

22202111222201 is a deficient number, since it is larger than the sum of its proper divisors (2420584399).

22202111222201 is a wasteful number, since it uses less digits than its factorization.

22202111222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85963.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22202111222201 its reverse (10222211120222), we get a palindrome (32424322342423).

The spelling of 22202111222201 in words is "twenty-two trillion, two hundred two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred one".