2011030021211 has 4 divisors (see below), whose sum is σ = 2011047790752. Its totient is φ = 2011012251672.

The previous prime is 2011030021199. The next prime is 2011030021237. The reversal of 2011030021211 is 1121200301102.

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 2011030021211 - 2³⁴ = 1993850152027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011030021411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8713916 + ... + 8941721.

It is an arithmetic number, because the mean of its divisors is an integer number (502761947688).

Almost surely, 2^{2011030021211} is an apocalyptic number.

2011030021211 is a deficient number, since it is larger than the sum of its proper divisors (17769541).

2011030021211 is a wasteful number, since it uses less digits than its factorization.

2011030021211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17769540.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 2011030021211 its reverse (1121200301102), we get a palindrome (3132230322313).

The spelling of 2011030021211 in words is "two trillion, eleven billion, thirty million, twenty-one thousand, two hundred eleven".