211122021211019 has 2 divisors, whose sum is σ = 211122021211020. Its totient is φ = 211122021211018.

The previous prime is 211122021211001. The next prime is 211122021211141. The reversal of 211122021211019 is 910112120221112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211122021211019 - 2¹² = 211122021206923 is a prime.

It is a super-2 number, since 2×211122021211019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211122021211819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561010605509 + 105561010605510.

It is an arithmetic number, because the mean of its divisors is an integer number (105561010605510).

Almost surely, 2^{211122021211019} is an apocalyptic number.

211122021211019 is a deficient number, since it is larger than the sum of its proper divisors (1).

211122021211019 is an equidigital number, since it uses as much as digits as its factorization.

211122021211019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 26.

The spelling of 211122021211019 in words is "two hundred eleven trillion, one hundred twenty-two billion, twenty-one million, two hundred eleven thousand, nineteen".