2112110211204 has 288 divisors, whose sum is σ = 6612668375040. Its totient is φ = 555361830144.

The previous prime is 2112110211163. The next prime is 2112110211269. The reversal of 2112110211204 is 4021120112112.

It is a super-2 number, since 2×2112110211204² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16006602 + ... + 16138014.

It is an arithmetic number, because the mean of its divisors is an integer number (22960654080).

Almost surely, 2^{2112110211204} 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 2112110211204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3306334187520).

2112110211204 is an abundant number, since it is smaller than the sum of its proper divisors (4500558163836).

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

2112110211204 is a wasteful number, since it uses less digits than its factorization.

2112110211204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131559 (or 131554 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2112110211204 its reverse (4021120112112), we get a palindrome (6133230323316).

The spelling of 2112110211204 in words is "two trillion, one hundred twelve billion, one hundred ten million, two hundred eleven thousand, two hundred four".