211110122012 has 6 divisors (see below), whose sum is σ = 369442713528. Its totient is φ = 105555061004.

The previous prime is 211110121979. The next prime is 211110122021. The reversal of 211110122012 is 210221011112.

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, 26388765248 + ... + 26388765255.

It is an arithmetic number, because the mean of its divisors is an integer number (61573785588).

Almost surely, 2^211110122012 is an apocalyptic number.

It is an amenable number.

211110122012 is a deficient number, since it is larger than the sum of its proper divisors (158332591516).

211110122012 is a wasteful number, since it uses less digits than its factorization.

211110122012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52777530507 (or 52777530505 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211110122012 its reverse (210221011112), we get a palindrome (421331133124).

The spelling of 211110122012 in words is "two hundred eleven billion, one hundred ten million, one hundred twenty-two thousand, twelve".