2001111030 has 24 divisors (see below), whose sum is σ = 5202888912. Its totient is φ = 533629584.

The previous prime is 2001111029. The next prime is 2001111059. The reversal of 2001111030 is 301111002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11117194 + ... + 11117373.

It is an arithmetic number, because the mean of its divisors is an integer number (216787038).

Almost surely, 2^2001111030 is an apocalyptic number.

2001111030 is an abundant number, since it is smaller than the sum of its proper divisors (3201777882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001111030 is a wasteful number, since it uses less digits than its factorization.

2001111030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22234580 (or 22234577 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 2001111030 is about 44733.7795183908. The cubic root of 2001111030 is about 1260.1543083880.

Adding to 2001111030 its reverse (301111002), we get a palindrome (2302222032).

The spelling of 2001111030 in words is "two billion, one million, one hundred eleven thousand, thirty".