20211111322 has 4 divisors (see below), whose sum is σ = 30316666986. Its totient is φ = 10105555660.

The previous prime is 20211111289. The next prime is 20211111359. The reversal of 20211111322 is 22311111202.

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

It can be written as a sum of positive squares in only one way, i.e., 18747360241 + 1463751081 = 136921^2 + 38259^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20211111296 and 20211111305.

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 as a sum of consecutive naturals, namely, 5052777829 + ... + 5052777832.

Almost surely, 2^20211111322 is an apocalyptic number.

20211111322 is a deficient number, since it is larger than the sum of its proper divisors (10105555664).

20211111322 is a wasteful number, since it uses less digits than its factorization.

20211111322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10105555663.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20211111322 its reverse (22311111202), we get a palindrome (42522222524).

The spelling of 20211111322 in words is "twenty billion, two hundred eleven million, one hundred eleven thousand, three hundred twenty-two".