20002210012111 has 2 divisors, whose sum is σ = 20002210012112. Its totient is φ = 20002210012110.

The previous prime is 20002210012097. The next prime is 20002210012123. The reversal of 20002210012111 is 11121001220002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20002210012111 - 2¹⁹ = 20002209487823 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002210012091 and 20002210012100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002210015111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001105006055 + 10001105006056.

It is an arithmetic number, because the mean of its divisors is an integer number (10001105006056).

Almost surely, 2^{20002210012111} is an apocalyptic number.

20002210012111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002210012111 is an equidigital number, since it uses as much as digits as its factorization.

20002210012111 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 20002210012111 its reverse (11121001220002), we get a palindrome (31123211232113).

The spelling of 20002210012111 in words is "twenty trillion, two billion, two hundred ten million, twelve thousand, one hundred eleven".