22011100201 has 4 divisors (see below), whose sum is σ = 22011465600. Its totient is φ = 22010734804.

The previous prime is 22011100147. The next prime is 22011100229. The reversal of 22011100201 is 10200111022.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10200111022 = 2 ⋅5100055511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011100201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011100261) 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, 68581 + ... + 220738.

It is an arithmetic number, because the mean of its divisors is an integer number (5502866400).

Almost surely, 2^22011100201 is an apocalyptic number.

It is an amenable number.

22011100201 is a deficient number, since it is larger than the sum of its proper divisors (365399).

22011100201 is an equidigital number, since it uses as much as digits as its factorization.

22011100201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365398.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 22011100201 its reverse (10200111022), we get a palindrome (32211211223).

The spelling of 22011100201 in words is "twenty-two billion, eleven million, one hundred thousand, two hundred one".