2011210021011 has 16 divisors (see below), whose sum is σ = 2851001577216. Its totient is φ = 1258312419936.

The previous prime is 2011210021001. The next prime is 2011210021013. The reversal of 2011210021011 is 1101200121102.

It is not a de Polignac number, because 2011210021011 - 2²⁷ = 2011075803283 is a prime.

It is a super-2 number, since 2×2011210021011² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2011210021013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274977205 + ... + 274984518.

It is an arithmetic number, because the mean of its divisors is an integer number (178187598576).

Almost surely, 2^{2011210021011} is an apocalyptic number.

2011210021011 is a deficient number, since it is larger than the sum of its proper divisors (839791556205).

2011210021011 is a wasteful number, since it uses less digits than its factorization.

2011210021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549961802.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2011210021011 its reverse (1101200121102), we get a palindrome (3112410142113).

The spelling of 2011210021011 in words is "two trillion, eleven billion, two hundred ten million, twenty-one thousand, eleven".