22021110201 has 4 divisors (see below), whose sum is σ = 29361480272. Its totient is φ = 14680740132.

The previous prime is 22021110197. The next prime is 22021110203. The reversal of 22021110201 is 10201112022.

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 not a de Polignac number, because 22021110201 - 2² = 22021110197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021110203) 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, 3670185031 + ... + 3670185036.

It is an arithmetic number, because the mean of its divisors is an integer number (7340370068).

Almost surely, 2^22021110201 is an apocalyptic number.

It is an amenable number.

22021110201 is a deficient number, since it is larger than the sum of its proper divisors (7340370071).

22021110201 is an equidigital number, since it uses as much as digits as its factorization.

22021110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7340370070.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22021110201 its reverse (10201112022), we get a palindrome (32222222223).

The spelling of 22021110201 in words is "twenty-two billion, twenty-one million, one hundred ten thousand, two hundred one".