211112000004 has 24 divisors (see below), whose sum is σ = 497377142080. Its totient is φ = 69687455904.

The previous prime is 211112000003. The next prime is 211112000017. The reversal of 211112000004 is 400000211112.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (211112000003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85400059 + ... + 85402530.

Almost surely, 2^211112000004 is an apocalyptic number.

It is an amenable number.

211112000004 is an abundant number, since it is smaller than the sum of its proper divisors (286265142076).

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

211112000004 is a wasteful number, since it uses less digits than its factorization.

211112000004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170802699 (or 170802697 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211112000004 its reverse (400000211112), we get a palindrome (611112211116).

The spelling of 211112000004 in words is "two hundred eleven billion, one hundred twelve million, four", and thus it is an aban number.