22212100201001 has 8 divisors (see below), whose sum is σ = 22416229710600. Its totient is φ = 22007977032960.

The previous prime is 22212100200989. The next prime is 22212100201037. The reversal of 22212100201001 is 10010200121222.

It can be written as a sum of positive squares in 4 ways, for example, as 8688204275776 + 13523895925225 = 2947576^2 + 3677485^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22212100201001 - 2³⁰ = 22211026459177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22212100201201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5601041 + ... + 8706081.

It is an arithmetic number, because the mean of its divisors is an integer number (2802028713825).

Almost surely, 2^{22212100201001} is an apocalyptic number.

It is an amenable number.

22212100201001 is a deficient number, since it is larger than the sum of its proper divisors (204129509599).

22212100201001 is a wasteful number, since it uses less digits than its factorization.

22212100201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3170779.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22212100201001 its reverse (10010200121222), we get a palindrome (32222300322223).

The spelling of 22212100201001 in words is "twenty-two trillion, two hundred twelve billion, one hundred million, two hundred one thousand, one".