1100020099 has 2 divisors, whose sum is σ = 1100020100. Its totient is φ = 1100020098.

The previous prime is 1100020093. The next prime is 1100020127. The reversal of 1100020099 is 9900200011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100020099 - 2⁹ = 1100019587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100020093) 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 as a sum of consecutive naturals, namely, 550010049 + 550010050.

It is an arithmetic number, because the mean of its divisors is an integer number (550010050).

Almost surely, 2^1100020099 is an apocalyptic number.

1100020099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100020099 is an equidigital number, since it uses as much as digits as its factorization.

1100020099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 22.

The square root of 1100020099 is about 33166.5509059956. The cubic root of 1100020099 is about 1032.2864026296.

The spelling of 1100020099 in words is "one billion, one hundred million, twenty thousand, ninety-nine".