22011210212201 has 4 divisors (see below), whose sum is σ = 25155668813952. Its totient is φ = 18866751610452.

The previous prime is 22011210212177. The next prime is 22011210212207. The reversal of 22011210212201 is 10221201211022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22011210212201 - 2²² = 22011206017897 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 22011210212201.

It is not an unprimeable number, because it can be changed into a prime (22011210212207) 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, 1572229300865 + ... + 1572229300878.

It is an arithmetic number, because the mean of its divisors is an integer number (6288917203488).

Almost surely, 2^{22011210212201} is an apocalyptic number.

It is an amenable number.

22011210212201 is a deficient number, since it is larger than the sum of its proper divisors (3144458601751).

22011210212201 is an equidigital number, since it uses as much as digits as its factorization.

22011210212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3144458601750.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22011210212201 its reverse (10221201211022), we get a palindrome (32232411423223).

The spelling of 22011210212201 in words is "twenty-two trillion, eleven billion, two hundred ten million, two hundred twelve thousand, two hundred one".