211110111012 has 48 divisors (see below), whose sum is σ = 514197075392. Its totient is φ = 67345706880.

The previous prime is 211110111001. The next prime is 211110111061. The reversal of 211110111012 is 210111011112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3870238 + ... + 3924405.

Almost surely, 2^211110111012 is an apocalyptic number.

It is an amenable number.

211110111012 is an abundant number, since it is smaller than the sum of its proper divisors (303086964380).

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

211110111012 is a wasteful number, since it uses less digits than its factorization.

211110111012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794748 (or 7794746 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 211110111012 its reverse (210111011112), we get a palindrome (421221122124).

The spelling of 211110111012 in words is "two hundred eleven billion, one hundred ten million, one hundred eleven thousand, twelve".