211112020221011 has 24 divisors (see below), whose sum is σ = 264470928855840. Its totient is φ = 167033101802112.

The previous prime is 211112020220977. The next prime is 211112020221029. The reversal of 211112020221011 is 110122020211112.

It is not a de Polignac number, because 211112020221011 - 2²⁶ = 211111953112147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211112020221041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324683450 + ... + 325333008.

It is an arithmetic number, because the mean of its divisors is an integer number (11019622035660).

Almost surely, 2^{211112020221011} is an apocalyptic number.

211112020221011 is a deficient number, since it is larger than the sum of its proper divisors (53358908634829).

211112020221011 is a wasteful number, since it uses less digits than its factorization.

211112020221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159803 (or 1159796 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211112020221011 its reverse (110122020211112), we get a palindrome (321234040432123).

The spelling of 211112020221011 in words is "two hundred eleven trillion, one hundred twelve billion, twenty million, two hundred twenty-one thousand, eleven".