1099010901 has 16 divisors (see below), whose sum is σ = 1550479040. Its totient is φ = 690508800.

The previous prime is 1099010881. The next prime is 1099010903. The reversal of 1099010901 is 1090109901.

It is not a de Polignac number, because 1099010901 - 2²⁶ = 1031902037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099010903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38950 + ... + 60951.

It is an arithmetic number, because the mean of its divisors is an integer number (96904940).

Almost surely, 2^1099010901 is an apocalyptic number.

It is an amenable number.

1099010901 is a deficient number, since it is larger than the sum of its proper divisors (451468139).

1099010901 is a wasteful number, since it uses less digits than its factorization.

1099010901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100116.

The product of its (nonzero) digits is 729, while the sum is 30.

The square root of 1099010901 is about 33151.3333216026. Note that the first 4 decimals coincide. The cubic root of 1099010901 is about 1031.9706204829.

The spelling of 1099010901 in words is "one billion, ninety-nine million, ten thousand, nine hundred one".