1222222101201 has 24 divisors (see below), whose sum is σ = 1775816939520. Its totient is φ = 810022608096.

The previous prime is 1222222101167. The next prime is 1222222101203. The reversal of 1222222101201 is 1021012222221.

It is a happy number.

It is not a de Polignac number, because 1222222101201 - 2¹⁵ = 1222222068433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222222101203) 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 23 ways as a sum of consecutive naturals, for example, 17901010 + ... + 17969156.

It is an arithmetic number, because the mean of its divisors is an integer number (73992372480).

Almost surely, 2^{1222222101201} is an apocalyptic number.

It is an amenable number.

1222222101201 is a deficient number, since it is larger than the sum of its proper divisors (553594838319).

1222222101201 is a wasteful number, since it uses less digits than its factorization.

1222222101201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79845 (or 79842 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1222222101201 its reverse (1021012222221), we get a palindrome (2243234323422).

The spelling of 1222222101201 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred one thousand, two hundred one".