20012002220011 has 2 divisors, whose sum is σ = 20012002220012. Its totient is φ = 20012002220010.

The previous prime is 20012002219999. The next prime is 20012002220039. The reversal of 20012002220011 is 11002220021002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20012002220011 - 2³⁷ = 19874563266539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20012002219973 and 20012002220000.

It is not a weakly prime, because it can be changed into another prime (20012002223011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006001110005 + 10006001110006.

It is an arithmetic number, because the mean of its divisors is an integer number (10006001110006).

Almost surely, 2^{20012002220011} is an apocalyptic number.

20012002220011 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012002220011 is an equidigital number, since it uses as much as digits as its factorization.

20012002220011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20012002220011 its reverse (11002220021002), we get a palindrome (31014222241013).

The spelling of 20012002220011 in words is "twenty trillion, twelve billion, two million, two hundred twenty thousand, eleven".