22011122000201 has 4 divisors (see below), whose sum is σ = 22013247251652. Its totient is φ = 22008996748752.

The previous prime is 22011122000183. The next prime is 22011122000207. The reversal of 22011122000201 is 10200022111022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12983194368400 + 9027927631801 = 3603220^2 + 3004651^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011122000201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011122000207) 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 3 ways as a sum of consecutive naturals, for example, 1062610190 + ... + 1062630903.

It is an arithmetic number, because the mean of its divisors is an integer number (5503311812913).

Almost surely, 2^{22011122000201} is an apocalyptic number.

It is an amenable number.

22011122000201 is a deficient number, since it is larger than the sum of its proper divisors (2125251451).

22011122000201 is a wasteful number, since it uses less digits than its factorization.

22011122000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125251450.

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

Adding to 22011122000201 its reverse (10200022111022), we get a palindrome (32211144111223).

The spelling of 22011122000201 in words is "twenty-two trillion, eleven billion, one hundred twenty-two million, two hundred one", and thus it is an aban number.