212041111124 has 6 divisors (see below), whose sum is σ = 371071944474. Its totient is φ = 106020555560.

The previous prime is 212041111111. The next prime is 212041111153. The reversal of 212041111124 is 421111140212.

It can be written as a sum of positive squares in only one way, i.e., 198543318724 + 13497792400 = 445582^2 + 116180^2 .

It is a super-2 number, since 2×212041111124² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212041111096 and 212041111105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26505138887 + ... + 26505138894.

It is an arithmetic number, because the mean of its divisors is an integer number (61845324079).

Almost surely, 2^212041111124 is an apocalyptic number.

It is an amenable number.

212041111124 is a deficient number, since it is larger than the sum of its proper divisors (159030833350).

212041111124 is a wasteful number, since it uses less digits than its factorization.

212041111124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53010277785 (or 53010277783 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 212041111124 its reverse (421111140212), we get a palindrome (633152251336).

The spelling of 212041111124 in words is "two hundred twelve billion, forty-one million, one hundred eleven thousand, one hundred twenty-four".