22010021222201 has 4 divisors (see below), whose sum is σ = 22011475868304. Its totient is φ = 22008566576100.

The previous prime is 22010021222149. The next prime is 22010021222239. The reversal of 22010021222201 is 10222212001022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22010021222201 - 2³⁸ = 21735143315257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22010021222201.

It is not an unprimeable number, because it can be changed into a prime (22010021224201) 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 3 ways as a sum of consecutive naturals, for example, 727300355 + ... + 727330616.

It is an arithmetic number, because the mean of its divisors is an integer number (5502868967076).

Almost surely, 2^{22010021222201} is an apocalyptic number.

It is an amenable number.

22010021222201 is a deficient number, since it is larger than the sum of its proper divisors (1454646103).

22010021222201 is a wasteful number, since it uses less digits than its factorization.

22010021222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454646102.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22010021222201 its reverse (10222212001022), we get a palindrome (32232233223223).

The spelling of 22010021222201 in words is "twenty-two trillion, ten billion, twenty-one million, two hundred twenty-two thousand, two hundred one".