1011201219 has 16 divisors (see below), whose sum is σ = 1712087040. Its totient is φ = 577829160.

The previous prime is 1011201211. The next prime is 1011201227. The reversal of 1011201219 is 9121021101.

It is a happy number.

1011201219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1011201211) and next prime (1011201227).

It is not a de Polignac number, because 1011201219 - 2³ = 1011201211 is a prime.

It is a super-2 number, since 2×1011201219² = 2045055810614171922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011201211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2674947 + ... + 2675324.

It is an arithmetic number, because the mean of its divisors is an integer number (107005440).

Almost surely, 2^1011201219 is an apocalyptic number.

1011201219 is a deficient number, since it is larger than the sum of its proper divisors (700885821).

1011201219 is an equidigital number, since it uses as much as digits as its factorization.

1011201219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350287 (or 5350281 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The square root of 1011201219 is about 31799.3902300028. The cubic root of 1011201219 is about 1003.7198849645.

The spelling of 1011201219 in words is "one billion, eleven million, two hundred one thousand, two hundred nineteen".