2101021112219 has 2 divisors, whose sum is σ = 2101021112220. Its totient is φ = 2101021112218.

The previous prime is 2101021112209. The next prime is 2101021112237. The reversal of 2101021112219 is 9122111201012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2101021112219 - 2⁸ = 2101021111963 is a prime.

It is a super-2 number, since 2×2101021112219² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2101021112194 and 2101021112203.

It is not a weakly prime, because it can be changed into another prime (2101021112209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050510556109 + 1050510556110.

It is an arithmetic number, because the mean of its divisors is an integer number (1050510556110).

Almost surely, 2^{2101021112219} is an apocalyptic number.

2101021112219 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101021112219 is an equidigital number, since it uses as much as digits as its factorization.

2101021112219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 2101021112219 in words is "two trillion, one hundred one billion, twenty-one million, one hundred twelve thousand, two hundred nineteen".