22010001221201 has 16 divisors (see below), whose sum is σ = 25194120029568. Its totient is φ = 18835848086400.

The previous prime is 22010001221189. The next prime is 22010001221207. The reversal of 22010001221201 is 10212210001022.

It is a cyclic number.

It is not a de Polignac number, because 22010001221201 - 2³⁴ = 21992821352017 is a prime.

It is a super-2 number, since 2×22010001221201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22010001221207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35647331 + ... + 36259511.

It is an arithmetic number, because the mean of its divisors is an integer number (1574632501848).

Almost surely, 2^{22010001221201} is an apocalyptic number.

It is an amenable number.

22010001221201 is a deficient number, since it is larger than the sum of its proper divisors (3184118808367).

22010001221201 is an equidigital number, since it uses as much as digits as its factorization.

22010001221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620312.

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

Adding to 22010001221201 its reverse (10212210001022), we get a palindrome (32222211222223).

The spelling of 22010001221201 in words is "twenty-two trillion, ten billion, one million, two hundred twenty-one thousand, two hundred one".