2021112122219 has 2 divisors, whose sum is σ = 2021112122220. Its totient is φ = 2021112122218.

The previous prime is 2021112122201. The next prime is 2021112122291. The reversal of 2021112122219 is 9122212111202.

Together with next prime (2021112122291) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021112122219 - 2¹⁶ = 2021112056683 is a prime.

It is a super-2 number, since 2×2021112122219² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2021112322219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010556061109 + 1010556061110.

It is an arithmetic number, because the mean of its divisors is an integer number (1010556061110).

Almost surely, 2^{2021112122219} is an apocalyptic number.

2021112122219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021112122219 is an equidigital number, since it uses as much as digits as its factorization.

2021112122219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 2021112122219 in words is "two trillion, twenty-one billion, one hundred twelve million, one hundred twenty-two thousand, two hundred nineteen".