1011100208 has 20 divisors (see below), whose sum is σ = 1986600528. Its totient is φ = 498429120.

The previous prime is 1011100199. The next prime is 1011100229. The reversal of 1011100208 is 8020011101.

It is a junction number, because it is equal to n+sod(n) for n = 1011100192 and 1011100201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 443891 + ... + 446162.

Almost surely, 2^1011100208 is an apocalyptic number.

It is an amenable number.

1011100208 is a deficient number, since it is larger than the sum of its proper divisors (975500320).

1011100208 is an equidigital number, since it uses as much as digits as its factorization.

1011100208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890132 (or 890126 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1011100208 is about 31797.8019366119. The cubic root of 1011100208 is about 1003.6864626269.

Adding to 1011100208 its reverse (8020011101), we get a palindrome (9031111309).

The spelling of 1011100208 in words is "one billion, eleven million, one hundred thousand, two hundred eight".