20002012212211 has 2 divisors, whose sum is σ = 20002012212212. Its totient is φ = 20002012212210.

The previous prime is 20002012212197. The next prime is 20002012212233. The reversal of 20002012212211 is 11221221020002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20002012212211 - 2⁵ = 20002012212179 is a prime.

It is not a weakly prime, because it can be changed into another prime (20002012212251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001006106105 + 10001006106106.

It is an arithmetic number, because the mean of its divisors is an integer number (10001006106106).

Almost surely, 2^{20002012212211} is an apocalyptic number.

20002012212211 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002012212211 is an equidigital number, since it uses as much as digits as its factorization.

20002012212211 is an evil number, because the sum of its binary digits is even.

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

Adding to 20002012212211 its reverse (11221221020002), we get a palindrome (31223233232213).

The spelling of 20002012212211 in words is "twenty trillion, two billion, twelve million, two hundred twelve thousand, two hundred eleven".