212201210011 has 6 divisors (see below), whose sum is σ = 246846305580. Its totient is φ = 181886751396.

The previous prime is 212201209999. The next prime is 212201210033. The reversal of 212201210011 is 110012102212.

It is a de Polignac number, because none of the positive numbers 2^k-212201210011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212201209973 and 212201210000.

It is not an unprimeable number, because it can be changed into a prime (212201210071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2165318421 + ... + 2165318518.

It is an arithmetic number, because the mean of its divisors is an integer number (41141050930).

Almost surely, 2^212201210011 is an apocalyptic number.

212201210011 is a deficient number, since it is larger than the sum of its proper divisors (34645095569).

212201210011 is an equidigital number, since it uses as much as digits as its factorization.

212201210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330636953 (or 4330636946 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212201210011 its reverse (110012102212), we get a palindrome (322213312223).

The spelling of 212201210011 in words is "two hundred twelve billion, two hundred one million, two hundred ten thousand, eleven".