1100021107 has 2 divisors, whose sum is σ = 1100021108. Its totient is φ = 1100021106.

The previous prime is 1100021099. The next prime is 1100021129. The reversal of 1100021107 is 7011200011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100021107 - 2³ = 1100021099 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100021407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550010553 + 550010554.

It is an arithmetic number, because the mean of its divisors is an integer number (550010554).

Almost surely, 2^1100021107 is an apocalyptic number.

1100021107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100021107 is an equidigital number, since it uses as much as digits as its factorization.

1100021107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 1100021107 is about 33166.5661020251. The cubic root of 1100021107 is about 1032.2867179403.

Adding to 1100021107 its reverse (7011200011), we get a palindrome (8111221118).

The spelling of 1100021107 in words is "one billion, one hundred million, twenty-one thousand, one hundred seven".