212230111011 has 64 divisors (see below), whose sum is σ = 299373871104. Its totient is φ = 133579756800.

The previous prime is 212230110977. The next prime is 212230111057. The reversal of 212230111011 is 110111032212.

It is not a de Polignac number, because 212230111011 - 2¹¹ = 212230108963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212230111081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 376962616 + ... + 376963178.

It is an arithmetic number, because the mean of its divisors is an integer number (4677716736).

Almost surely, 2^212230111011 is an apocalyptic number.

212230111011 is a deficient number, since it is larger than the sum of its proper divisors (87143760093).

212230111011 is a wasteful number, since it uses less digits than its factorization.

212230111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 212230111011 its reverse (110111032212), we get a palindrome (322341143223).

It can be divided in two parts, 2122301 and 11011, that added together give a palindrome (2133312).

The spelling of 212230111011 in words is "two hundred twelve billion, two hundred thirty million, one hundred eleven thousand, eleven".