2011201011 has 24 divisors (see below), whose sum is σ = 3011346000. Its totient is φ = 1291937472.

The previous prime is 2011200979. The next prime is 2011201033. The reversal of 2011201011 is 1101021102.

It is a happy number.

It is not a de Polignac number, because 2011201011 - 2⁵ = 2011200979 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 2011200984 and 2011201002.

It is not an unprimeable number, because it can be changed into a prime (2011201061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125280 + ... + 140418.

It is an arithmetic number, because the mean of its divisors is an integer number (125472750).

Almost surely, 2^2011201011 is an apocalyptic number.

2011201011 is a deficient number, since it is larger than the sum of its proper divisors (1000144989).

2011201011 is a wasteful number, since it uses less digits than its factorization.

2011201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15683 (or 15680 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 2011201011 is about 44846.4158099619. The cubic root of 2011201011 is about 1262.2687375116.

Adding to 2011201011 its reverse (1101021102), we get a palindrome (3112222113).

The spelling of 2011201011 in words is "two billion, eleven million, two hundred one thousand, eleven".