212230022011 has 12 divisors (see below), whose sum is σ = 249854281992. Its totient is φ = 179719739808.

The previous prime is 212230021981. The next prime is 212230022051. The reversal of 212230022011 is 110220032212.

It is a happy number.

It is not a de Polignac number, because 212230022011 - 2¹⁵ = 212229989243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212230022051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26087650 + ... + 26095783.

It is an arithmetic number, because the mean of its divisors is an integer number (20821190166).

Almost surely, 2^212230022011 is an apocalyptic number.

212230022011 is a deficient number, since it is larger than the sum of its proper divisors (37624259981).

212230022011 is an equidigital number, since it uses as much as digits as its factorization.

212230022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52183530 (or 52183523 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212230022011 its reverse (110220032212), we get a palindrome (322450054223).

The spelling of 212230022011 in words is "two hundred twelve billion, two hundred thirty million, twenty-two thousand, eleven".