22201101121211 has 4 divisors (see below), whose sum is σ = 22316132733432. Its totient is φ = 22086069508992.

The previous prime is 22201101121153. The next prime is 22201101121229. The reversal of 22201101121211 is 11212110110222.

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

It is a cyclic number.

It is not a de Polignac number, because 22201101121211 - 2²⁶ = 22201034012347 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 22201101121211.

It is not an unprimeable number, because it can be changed into a prime (22201101121711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57515805821 + ... + 57515806206.

It is an arithmetic number, because the mean of its divisors is an integer number (5579033183358).

Almost surely, 2^{22201101121211} is an apocalyptic number.

22201101121211 is a deficient number, since it is larger than the sum of its proper divisors (115031612221).

22201101121211 is a wasteful number, since it uses less digits than its factorization.

22201101121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115031612220.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22201101121211 its reverse (11212110110222), we get a palindrome (33413211231433).

The spelling of 22201101121211 in words is "twenty-two trillion, two hundred one billion, one hundred one million, one hundred twenty-one thousand, two hundred eleven".