1100021122 has 8 divisors (see below), whose sum is σ = 1670918400. Its totient is φ = 543048324.

The previous prime is 1100021107. The next prime is 1100021129. The reversal of 1100021122 is 2211200011.

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

It is a super-2 number, since 2×1100021122² = 2420092937692277768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1100021099 and 1100021108.

It is not an unprimeable number, because it can be changed into a prime (1100021129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3480922 + ... + 3481237.

It is an arithmetic number, because the mean of its divisors is an integer number (208864800).

Almost surely, 2^1100021122 is an apocalyptic number.

1100021122 is a deficient number, since it is larger than the sum of its proper divisors (570897278).

1100021122 is an equidigital number, since it uses as much as digits as its factorization.

1100021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6962240.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 1100021122 is about 33166.5663281564. The cubic root of 1100021122 is about 1032.2867226324.

Adding to 1100021122 its reverse (2211200011), we get a palindrome (3311221133).

The spelling of 1100021122 in words is "one billion, one hundred million, twenty-one thousand, one hundred twenty-two".