2011021011010 has 16 divisors (see below), whose sum is σ = 3948913985472. Its totient is φ = 731280367600.

The previous prime is 2011021011007. The next prime is 2011021011017. The reversal of 2011021011010 is 101101201102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (2011021011017) 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, 9141004486 + ... + 9141004705.

It is an arithmetic number, because the mean of its divisors is an integer number (246807124092).

Almost surely, 2^{2011021011010} is an apocalyptic number.

2011021011010 is a deficient number, since it is larger than the sum of its proper divisors (1937892974462).

2011021011010 is a wasteful number, since it uses less digits than its factorization.

2011021011010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18282009209.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2011021011010 its reverse (101101201102), we get a palindrome (2112122212112).

The spelling of 2011021011010 in words is "two trillion, eleven billion, twenty-one million, eleven thousand, ten".