1122100019 has 8 divisors (see below), whose sum is σ = 1131472320. Its totient is φ = 1112740200.

The previous prime is 1122099959. The next prime is 1122100033. The reversal of 1122100019 is 9100012211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1122100019 - 2²⁰ = 1121051443 is a prime.

It is a super-2 number, since 2×1122100019² = 2518216905279600722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122100039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283484 + ... + 287414.

It is an arithmetic number, because the mean of its divisors is an integer number (141434040).

Almost surely, 2^1122100019 is an apocalyptic number.

1122100019 is a deficient number, since it is larger than the sum of its proper divisors (9372301).

1122100019 is a wasteful number, since it uses less digits than its factorization.

1122100019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 1122100019 is about 33497.7614028162. The cubic root of 1122100019 is about 1039.1474827565.

The spelling of 1122100019 in words is "one billion, one hundred twenty-two million, one hundred thousand, nineteen".