2011430099 has 4 divisors (see below), whose sum is σ = 2298777264. Its totient is φ = 1724082936.

The previous prime is 2011430087. The next prime is 2011430107. The reversal of 2011430099 is 9900341102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011430099 - 2¹² = 2011426003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2011430039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143673572 + ... + 143673585.

It is an arithmetic number, because the mean of its divisors is an integer number (574694316).

Almost surely, 2^2011430099 is an apocalyptic number.

2011430099 is a deficient number, since it is larger than the sum of its proper divisors (287347165).

2011430099 is an equidigital number, since it uses as much as digits as its factorization.

2011430099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287347164.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 2011430099 is about 44848.9698766872. The cubic root of 2011430099 is about 1262.3166623817.

The spelling of 2011430099 in words is "two billion, eleven million, four hundred thirty thousand, ninety-nine".