1099109122 has 4 divisors (see below), whose sum is σ = 1648663686. Its totient is φ = 549554560.

The previous prime is 1099109117. The next prime is 1099109129. The reversal of 1099109122 is 2219019901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2219019901 = 7 ⋅317002843.

It can be written as a sum of positive squares in only one way, i.e., 790790641 + 308318481 = 28121^2 + 17559^2 .

It is a super-2 number, since 2×1099109122² = 2416081724127221768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1099109129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274777279 + ... + 274777282.

Almost surely, 2^1099109122 is an apocalyptic number.

1099109122 is a deficient number, since it is larger than the sum of its proper divisors (549554564).

1099109122 is an equidigital number, since it uses as much as digits as its factorization.

1099109122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549554563.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 1099109122 is about 33152.8146919685. The cubic root of 1099109122 is about 1032.0013627218.

The spelling of 1099109122 in words is "one billion, ninety-nine million, one hundred nine thousand, one hundred twenty-two".