211110121012 has 12 divisors (see below), whose sum is σ = 422220242080. Its totient is φ = 90475766136.

The previous prime is 211110120989. The next prime is 211110121067. The reversal of 211110121012 is 210121011112.

It is a happy number.

211110121012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 211110120983 and 211110121001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3769823562 + ... + 3769823617.

Almost surely, 2^211110121012 is an apocalyptic number.

It is an amenable number.

211110121012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211110121012 is a wasteful number, since it uses less digits than its factorization.

211110121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7539647190 (or 7539647188 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211110121012 its reverse (210121011112), we get a palindrome (421231132124).

The spelling of 211110121012 in words is "two hundred eleven billion, one hundred ten million, one hundred twenty-one thousand, twelve".