22111101001201 has 8 divisors (see below), whose sum is σ = 22423422501704. Its totient is φ = 21799034357760.

The previous prime is 22111101001193. The next prime is 22111101001217. The reversal of 22111101001201 is 10210010111122.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 70517333601 + 22040583667600 = 265551^2 + 4694740^2 .

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 22111101001201 - 2³ = 22111101001193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22111101001261) 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 7 ways as a sum of consecutive naturals, for example, 63539520 + ... + 63886561.

It is an arithmetic number, because the mean of its divisors is an integer number (2802927812713).

Almost surely, 2^{22111101001201} is an apocalyptic number.

It is an amenable number.

22111101001201 is a deficient number, since it is larger than the sum of its proper divisors (312321500503).

22111101001201 is a wasteful number, since it uses less digits than its factorization.

22111101001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127428531.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 22111101001201 its reverse (10210010111122), we get a palindrome (32321111112323).

The spelling of 22111101001201 in words is "twenty-two trillion, one hundred eleven billion, one hundred one million, one thousand, two hundred one".