211122120019 has 2 divisors, whose sum is σ = 211122120020. Its totient is φ = 211122120018.

The previous prime is 211122119993. The next prime is 211122120023. The reversal of 211122120019 is 910021221112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211122120019 - 2⁷ = 211122119891 is a prime.

It is a super-2 number, since 2×211122120019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211122720019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561060009 + 105561060010.

It is an arithmetic number, because the mean of its divisors is an integer number (105561060010).

Almost surely, 2^211122120019 is an apocalyptic number.

211122120019 is a deficient number, since it is larger than the sum of its proper divisors (1).

211122120019 is an equidigital number, since it uses as much as digits as its factorization.

211122120019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 211122120019 in words is "two hundred eleven billion, one hundred twenty-two million, one hundred twenty thousand, nineteen".