112121120219 has 2 divisors, whose sum is σ = 112121120220. Its totient is φ = 112121120218.

The previous prime is 112121120161. The next prime is 112121120227. The reversal of 112121120219 is 912021121211.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (912021121211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112121120219 - 2²⁸ = 111852684763 is a prime.

It is a super-2 number, since 2×112121120219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112121120194 and 112121120203.

It is not a weakly prime, because it can be changed into another prime (112121120249) 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, 56060560109 + 56060560110.

It is an arithmetic number, because the mean of its divisors is an integer number (56060560110).

Almost surely, 2^112121120219 is an apocalyptic number.

112121120219 is a deficient number, since it is larger than the sum of its proper divisors (1).

112121120219 is an equidigital number, since it uses as much as digits as its factorization.

112121120219 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 112121120219 in words is "one hundred twelve billion, one hundred twenty-one million, one hundred twenty thousand, two hundred nineteen".