20221112011 has 2 divisors, whose sum is σ = 20221112012. Its totient is φ = 20221112010.

The previous prime is 20221112003. The next prime is 20221112053. The reversal of 20221112011 is 11021112202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20221112011 - 2³ = 20221112003 is a prime.

It is a super-2 number, since 2×20221112011² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20221111982 and 20221112000.

It is not a weakly prime, because it can be changed into another prime (20221112411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110556005 + 10110556006.

It is an arithmetic number, because the mean of its divisors is an integer number (10110556006).

Almost surely, 2^20221112011 is an apocalyptic number.

20221112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221112011 is an equidigital number, since it uses as much as digits as its factorization.

20221112011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20221112011 its reverse (11021112202), we get a palindrome (31242224213).

The spelling of 20221112011 in words is "twenty billion, two hundred twenty-one million, one hundred twelve thousand, eleven".