211210111201043 has 2 divisors, whose sum is σ = 211210111201044. Its totient is φ = 211210111201042.

The previous prime is 211210111200989. The next prime is 211210111201123. The reversal of 211210111201043 is 340102111012112.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211210111201043 - 2²⁴ = 211210094423827 is a prime.

It is a super-2 number, since 2×211210111201043² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211210111201343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105605055600521 + 105605055600522.

It is an arithmetic number, because the mean of its divisors is an integer number (105605055600522).

Almost surely, 2^{211210111201043} is an apocalyptic number.

211210111201043 is a deficient number, since it is larger than the sum of its proper divisors (1).

211210111201043 is an equidigital number, since it uses as much as digits as its factorization.

211210111201043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 211210111201043 its reverse (340102111012112), we get a palindrome (551312222213155).

The spelling of 211210111201043 in words is "two hundred eleven trillion, two hundred ten billion, one hundred eleven million, two hundred one thousand, forty-three".