211022121043 has 2 divisors, whose sum is σ = 211022121044. Its totient is φ = 211022121042.

The previous prime is 211022120971. The next prime is 211022121077. The reversal of 211022121043 is 340121220112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211022121043 - 2²⁵ = 210988566611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211022121043.

It is not a weakly prime, because it can be changed into another prime (211022121083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105511060521 + 105511060522.

It is an arithmetic number, because the mean of its divisors is an integer number (105511060522).

Almost surely, 2^211022121043 is an apocalyptic number.

211022121043 is a deficient number, since it is larger than the sum of its proper divisors (1).

211022121043 is an equidigital number, since it uses as much as digits as its factorization.

211022121043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 211022121043 its reverse (340121220112), we get a palindrome (551143341155).

The spelling of 211022121043 in words is "two hundred eleven billion, twenty-two million, one hundred twenty-one thousand, forty-three".