20012211100963 has 2 divisors, whose sum is σ = 20012211100964. Its totient is φ = 20012211100962.

The previous prime is 20012211100943. The next prime is 20012211101131. The reversal of 20012211100963 is 36900111221002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20012211100963 - 2²¹ = 20012209003811 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012211100943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006105550481 + 10006105550482.

It is an arithmetic number, because the mean of its divisors is an integer number (10006105550482).

Almost surely, 2^{20012211100963} is an apocalyptic number.

20012211100963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012211100963 is an equidigital number, since it uses as much as digits as its factorization.

20012211100963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 20012211100963 its reverse (36900111221002), we get a palindrome (56912322321965).

The spelling of 20012211100963 in words is "twenty trillion, twelve billion, two hundred eleven million, one hundred thousand, nine hundred sixty-three".