2010011721 has 8 divisors (see below), whose sum is σ = 2772430080. Its totient is φ = 1293800592.

The previous prime is 2010011693. The next prime is 2010011743. The reversal of 2010011721 is 1271100102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2010011721 - 2¹⁰ = 2010010697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2010011721.

It is not an unprimeable number, because it can be changed into a prime (2010011771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11551705 + ... + 11551878.

It is an arithmetic number, because the mean of its divisors is an integer number (346553760).

Almost surely, 2^2010011721 is an apocalyptic number.

It is an amenable number.

2010011721 is a deficient number, since it is larger than the sum of its proper divisors (762418359).

2010011721 is a wasteful number, since it uses less digits than its factorization.

2010011721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23103615.

The product of its (nonzero) digits is 28, while the sum is 15.

The square root of 2010011721 is about 44833.1542611046. The cubic root of 2010011721 is about 1262.0198813008.

Adding to 2010011721 its reverse (1271100102), we get a palindrome (3281111823).

The spelling of 2010011721 in words is "two billion, ten million, eleven thousand, seven hundred twenty-one".