22211331013 has 4 divisors (see below), whose sum is σ = 22460896620. Its totient is φ = 21961765408.

The previous prime is 22211330903. The next prime is 22211331049. The reversal of 22211331013 is 31013311222.

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 9710525764 + 12500805249 = 98542^2 + 111807^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22211331013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22211331083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124782670 + ... + 124782847.

It is an arithmetic number, because the mean of its divisors is an integer number (5615224155).

Almost surely, 2^22211331013 is an apocalyptic number.

It is an amenable number.

22211331013 is a deficient number, since it is larger than the sum of its proper divisors (249565607).

22211331013 is an equidigital number, since it uses as much as digits as its factorization.

22211331013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249565606.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22211331013 its reverse (31013311222), we get a palindrome (53224642235).

The spelling of 22211331013 in words is "twenty-two billion, two hundred eleven million, three hundred thirty-one thousand, thirteen".