2011021212211 has 32 divisors (see below), whose sum is σ = 2230855428096. Its totient is φ = 1797638400000.

The previous prime is 2011021212133. The next prime is 2011021212251. The reversal of 2011021212211 is 1122121201102.

It is not a de Polignac number, because 2011021212211 - 2²⁵ = 2010987657779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011021212251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130147036 + ... + 130162486.

It is an arithmetic number, because the mean of its divisors is an integer number (69714232128).

Almost surely, 2^{2011021212211} is an apocalyptic number.

2011021212211 is a deficient number, since it is larger than the sum of its proper divisors (219834215885).

2011021212211 is a wasteful number, since it uses less digits than its factorization.

2011021212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16363.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2011021212211 its reverse (1122121201102), we get a palindrome (3133142413313).

The spelling of 2011021212211 in words is "two trillion, eleven billion, twenty-one million, two hundred twelve thousand, two hundred eleven".