20002012222111 has 2 divisors, whose sum is σ = 20002012222112. Its totient is φ = 20002012222110.

The previous prime is 20002012222099. The next prime is 20002012222123. The reversal of 20002012222111 is 11122221020002.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (20002012222099) and next prime (20002012222123).

It is a cyclic number.

It is not a de Polignac number, because 20002012222111 - 2⁹ = 20002012221599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002012222411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001006111055 + 10001006111056.

It is an arithmetic number, because the mean of its divisors is an integer number (10001006111056).

Almost surely, 2^{20002012222111} is an apocalyptic number.

20002012222111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002012222111 is an equidigital number, since it uses as much as digits as its factorization.

20002012222111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20002012222111 its reverse (11122221020002), we get a palindrome (31124233242113).

The spelling of 20002012222111 in words is "twenty trillion, two billion, twelve million, two hundred twenty-two thousand, one hundred eleven".