210021122122219 has 2 divisors, whose sum is σ = 210021122122220. Its totient is φ = 210021122122218.

The previous prime is 210021122122213. The next prime is 210021122122241. The reversal of 210021122122219 is 912221221120012.

210021122122219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210021122122219 is a prime.

It is a super-2 number, since 2×210021122122219² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (210021122122213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010561061109 + 105010561061110.

It is an arithmetic number, because the mean of its divisors is an integer number (105010561061110).

Almost surely, 2^{210021122122219} is an apocalyptic number.

210021122122219 is a deficient number, since it is larger than the sum of its proper divisors (1).

210021122122219 is an equidigital number, since it uses as much as digits as its factorization.

210021122122219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 210021122122219 in words is "two hundred ten trillion, twenty-one billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred nineteen".