2111021202112 has 56 divisors (see below), whose sum is σ = 4254208147904. Its totient is φ = 1039114213632.

The previous prime is 2111021202097. The next prime is 2111021202139. The reversal of 2111021202112 is 2112021201112.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6825283 + ... + 7127869.

Almost surely, 2^{2111021202112} 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 2111021202112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2127104073952).

2111021202112 is an abundant number, since it is smaller than the sum of its proper divisors (2143186945792).

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

2111021202112 is a wasteful number, since it uses less digits than its factorization.

2111021202112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304293 (or 304283 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111021202112 its reverse (2112021201112), we get a palindrome (4223042403224).

The spelling of 2111021202112 in words is "two trillion, one hundred eleven billion, twenty-one million, two hundred two thousand, one hundred twelve".