1021100000099 has 32 divisors (see below), whose sum is σ = 1083612729600. Its totient is φ = 960604001280.

The previous prime is 1021100000057. The next prime is 1021100000171. The reversal of 1021100000099 is 9900000011201.

It is a cyclic number.

It is not a de Polignac number, because 1021100000099 - 2¹² = 1021099996003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021100000699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570764897 + ... + 570766685.

It is an arithmetic number, because the mean of its divisors is an integer number (33862897800).

Almost surely, 2^{1021100000099} is an apocalyptic number.

1021100000099 is a deficient number, since it is larger than the sum of its proper divisors (62512729501).

1021100000099 is a wasteful number, since it uses less digits than its factorization.

1021100000099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3503.

The product of its (nonzero) digits is 162, while the sum is 23.

The spelling of 1021100000099 in words is "one trillion, twenty-one billion, one hundred million, ninety-nine", and thus it is an aban number.