211132233011 has 8 divisors (see below), whose sum is σ = 241362733824. Its totient is φ = 180918920520.

The previous prime is 211132232963. The next prime is 211132233043. The reversal of 211132233011 is 110332231112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211132233011 - 2²² = 211128038707 is a prime.

It is a super-2 number, since 2×211132233011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211132230011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4270745 + ... + 4319898.

It is an arithmetic number, because the mean of its divisors is an integer number (30170341728).

Almost surely, 2^211132233011 is an apocalyptic number.

211132233011 is a deficient number, since it is larger than the sum of its proper divisors (30230500813).

211132233011 is an equidigital number, since it uses as much as digits as its factorization.

211132233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8594161.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 211132233011 its reverse (110332231112), we get a palindrome (321464464123).

The spelling of 211132233011 in words is "two hundred eleven billion, one hundred thirty-two million, two hundred thirty-three thousand, eleven".