20101311322 has 8 divisors (see below), whose sum is σ = 30227917716. Its totient is φ = 10025338752.

The previous prime is 20101311319. The next prime is 20101311337. The reversal of 20101311322 is 22311310102.

It can be written as a sum of positive squares in 2 ways, for example, as 18435936841 + 1665374481 = 135779^2 + 40809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20101311296 and 20101311305.

It is an unprimeable number.

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, 12657463 + ... + 12659050.

Almost surely, 2^20101311322 is an apocalyptic number.

20101311322 is a deficient number, since it is larger than the sum of its proper divisors (10126606394).

20101311322 is a wasteful number, since it uses less digits than its factorization.

20101311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25316912.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20101311322 its reverse (22311310102), we get a palindrome (42412621424).

The spelling of 20101311322 in words is "twenty billion, one hundred one million, three hundred eleven thousand, three hundred twenty-two".