210011122212112 has 80 divisors (see below), whose sum is σ = 447535892119680. Its totient is φ = 94876407899136.

The previous prime is 210011122212007. The next prime is 210011122212181. The reversal of 210011122212112 is 211212221110012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 210011122212112.

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, 33863868 + ... + 39582619.

It is an arithmetic number, because the mean of its divisors is an integer number (5594198651496).

Almost surely, 2^{210011122212112} is an apocalyptic number.

It is an amenable number.

210011122212112 is an abundant number, since it is smaller than the sum of its proper divisors (237524769907568).

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

210011122212112 is a wasteful number, since it uses less digits than its factorization.

210011122212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73446800 (or 73446794 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 210011122212112 its reverse (211212221110012), we get a palindrome (421223343322124).

The spelling of 210011122212112 in words is "two hundred ten trillion, eleven billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twelve".