22011310001 has 4 divisors (see below), whose sum is σ = 22090773492. Its totient is φ = 21931846512.

The previous prime is 22011309989. The next prime is 22011310049. The reversal of 22011310001 is 10001311022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1144062976 + 20867247025 = 33824^2 + 144455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22011310001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011310801) 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, 39731330 + ... + 39731883.

It is an arithmetic number, because the mean of its divisors is an integer number (5522693373).

Almost surely, 2^22011310001 is an apocalyptic number.

It is an amenable number.

22011310001 is a deficient number, since it is larger than the sum of its proper divisors (79463491).

22011310001 is an equidigital number, since it uses as much as digits as its factorization.

22011310001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79463490.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 22011310001 its reverse (10001311022), we get a palindrome (32012621023).

The spelling of 22011310001 in words is "twenty-two billion, eleven million, three hundred ten thousand, one".