211120122212112 has 160 divisors (see below), whose sum is σ = 575059126181760. Its totient is φ = 66666653614080.

The previous prime is 211120122212099. The next prime is 211120122212141. The reversal of 211120122212112 is 211212221021112.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3770064 + ... + 20891472.

It is an arithmetic number, because the mean of its divisors is an integer number (3594119538636).

Almost surely, 2^{211120122212112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211120122212112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287529563090880).

211120122212112 is an abundant number, since it is smaller than the sum of its proper divisors (363939003969648).

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

211120122212112 is a wasteful number, since it uses less digits than its factorization.

211120122212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17121641 (or 17121635 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 211120122212112 its reverse (211212221021112), we get a palindrome (422332343233224).

The spelling of 211120122212112 in words is "two hundred eleven trillion, one hundred twenty billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twelve".