100120201219 has 2 divisors, whose sum is σ = 100120201220. Its totient is φ = 100120201218.

The previous prime is 100120201189. The next prime is 100120201261. The reversal of 100120201219 is 912102021001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100120201219 - 2³⁵ = 65760462851 is a prime.

It is a super-2 number, since 2×100120201219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100120201196 and 100120201205.

It is not a weakly prime, because it can be changed into another prime (100120208219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50060100609 + 50060100610.

It is an arithmetic number, because the mean of its divisors is an integer number (50060100610).

Almost surely, 2^100120201219 is an apocalyptic number.

100120201219 is a deficient number, since it is larger than the sum of its proper divisors (1).

100120201219 is an equidigital number, since it uses as much as digits as its factorization.

100120201219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 100120201219 in words is "one hundred billion, one hundred twenty million, two hundred one thousand, two hundred nineteen".