22052541221211 has 16 divisors (see below), whose sum is σ = 29413349280000. Its totient is φ = 14696714325408.

The previous prime is 22052541221209. The next prime is 22052541221239. The reversal of 22052541221211 is 11212214525022.

It is a happy number.

It is not a de Polignac number, because 22052541221211 - 2¹ = 22052541221209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22052541221201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145486540 + ... + 145638038.

It is an arithmetic number, because the mean of its divisors is an integer number (1838334330000).

Almost surely, 2^{22052541221211} is an apocalyptic number.

22052541221211 is a deficient number, since it is larger than the sum of its proper divisors (7360808058789).

22052541221211 is a wasteful number, since it uses less digits than its factorization.

22052541221211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167618.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 22052541221211 its reverse (11212214525022), we get a palindrome (33264755746233).

The spelling of 22052541221211 in words is "twenty-two trillion, fifty-two billion, five hundred forty-one million, two hundred twenty-one thousand, two hundred eleven".