212103232211 has 16 divisors (see below), whose sum is σ = 236333650560. Its totient is φ = 189005685120.

The previous prime is 212103232151. The next prime is 212103232259. The reversal of 212103232211 is 112232301212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212103232211 is a prime.

It is a super-2 number, since 2×212103232211² (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 (212103232811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2468966 + ... + 2553428.

It is an arithmetic number, because the mean of its divisors is an integer number (14770853160).

Almost surely, 2^212103232211 is an apocalyptic number.

212103232211 is a deficient number, since it is larger than the sum of its proper divisors (24230418349).

212103232211 is a wasteful number, since it uses less digits than its factorization.

212103232211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91166.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212103232211 its reverse (112232301212), we get a palindrome (324335533423).

The spelling of 212103232211 in words is "two hundred twelve billion, one hundred three million, two hundred thirty-two thousand, two hundred eleven".