212232011011 has 4 divisors (see below), whose sum is σ = 215829163800. Its totient is φ = 208634858224.

The previous prime is 212232010987. The next prime is 212232011053. The reversal of 212232011011 is 110110232212.

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 212232011011 - 2¹⁷ = 212231879939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212232011081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798576306 + ... + 1798576423.

It is an arithmetic number, because the mean of its divisors is an integer number (53957290950).

Almost surely, 2^212232011011 is an apocalyptic number.

212232011011 is a deficient number, since it is larger than the sum of its proper divisors (3597152789).

212232011011 is an equidigital number, since it uses as much as digits as its factorization.

212232011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597152788.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212232011011 its reverse (110110232212), we get a palindrome (322342243223).

The spelling of 212232011011 in words is "two hundred twelve billion, two hundred thirty-two million, eleven thousand, eleven".