212211011023 has 16 divisors (see below), whose sum is σ = 238651776000. Its totient is φ = 187051308480.

The previous prime is 212211011017. The next prime is 212211011057. The reversal of 212211011023 is 320110112212.

212211011023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212211011023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212211010988 and 212211011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212211311023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2192223 + ... + 2286976.

It is an arithmetic number, because the mean of its divisors is an integer number (14915736000).

Almost surely, 2^212211011023 is an apocalyptic number.

212211011023 is a deficient number, since it is larger than the sum of its proper divisors (26440764977).

212211011023 is a wasteful number, since it uses less digits than its factorization.

212211011023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4479342.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212211011023 its reverse (320110112212), we get a palindrome (532321123235).

The spelling of 212211011023 in words is "two hundred twelve billion, two hundred eleven million, eleven thousand, twenty-three".