1121101219 has 4 divisors (see below), whose sum is σ = 1281258544. Its totient is φ = 960943896.

The previous prime is 1121101217. The next prime is 1121101229. The reversal of 1121101219 is 9121011211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121101219 - 2¹ = 1121101217 is a prime.

It is a super-2 number, since 2×1121101219² = 2513735886486571922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121101196 and 1121101205.

It is not an unprimeable number, because it can be changed into a prime (1121101217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80078652 + ... + 80078665.

It is an arithmetic number, because the mean of its divisors is an integer number (320314636).

Almost surely, 2^1121101219 is an apocalyptic number.

1121101219 is a deficient number, since it is larger than the sum of its proper divisors (160157325).

1121101219 is an equidigital number, since it uses as much as digits as its factorization.

1121101219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160157324.

The product of its (nonzero) digits is 36, while the sum is 19.

The square root of 1121101219 is about 33482.8496248453. The cubic root of 1121101219 is about 1038.8390703775.

The spelling of 1121101219 in words is "one billion, one hundred twenty-one million, one hundred one thousand, two hundred nineteen".