211001209963 has 2 divisors, whose sum is σ = 211001209964. Its totient is φ = 211001209962.

The previous prime is 211001209961. The next prime is 211001209981. The reversal of 211001209963 is 369902100112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211001209963 - 2¹ = 211001209961 is a prime.

It is a super-2 number, since 2×211001209963² (a number of 23 digits) contains 22 as substring.

Together with 211001209961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (211001209961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105500604981 + 105500604982.

It is an arithmetic number, because the mean of its divisors is an integer number (105500604982).

Almost surely, 2^211001209963 is an apocalyptic number.

211001209963 is a deficient number, since it is larger than the sum of its proper divisors (1).

211001209963 is an equidigital number, since it uses as much as digits as its factorization.

211001209963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 34.

The spelling of 211001209963 in words is "two hundred eleven billion, one million, two hundred nine thousand, nine hundred sixty-three".