20002011022111 has 2 divisors, whose sum is σ = 20002011022112. Its totient is φ = 20002011022110.

The previous prime is 20002011022099. The next prime is 20002011022127. The reversal of 20002011022111 is 11122011020002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20002011022111 - 2⁵ = 20002011022079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002011022091 and 20002011022100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002011025111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001005511055 + 10001005511056.

It is an arithmetic number, because the mean of its divisors is an integer number (10001005511056).

Almost surely, 2^{20002011022111} is an apocalyptic number.

20002011022111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002011022111 is an equidigital number, since it uses as much as digits as its factorization.

20002011022111 is an evil number, because the sum of its binary digits is even.

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

Adding to 20002011022111 its reverse (11122011020002), we get a palindrome (31124022042113).

The spelling of 20002011022111 in words is "twenty trillion, two billion, eleven million, twenty-two thousand, one hundred eleven".