212103233011 has 4 divisors (see below), whose sum is σ = 212126105632. Its totient is φ = 212080360392.

The previous prime is 212103232981. The next prime is 212103233033. The reversal of 212103233011 is 110332301212.

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 212103233011 - 2⁷ = 212103232883 is a prime.

It is a super-2 number, since 2×212103233011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212103233011.

It is not an unprimeable number, because it can be changed into a prime (212103233071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11422395 + ... + 11440948.

It is an arithmetic number, because the mean of its divisors is an integer number (53031526408).

Almost surely, 2^212103233011 is an apocalyptic number.

212103233011 is a deficient number, since it is larger than the sum of its proper divisors (22872621).

212103233011 is an equidigital number, since it uses as much as digits as its factorization.

212103233011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22872620.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 212103233011 its reverse (110332301212), we get a palindrome (322435534223).

The spelling of 212103233011 in words is "two hundred twelve billion, one hundred three million, two hundred thirty-three thousand, eleven".