2101001210112 has 144 divisors (see below), whose sum is σ = 6426249661440. Its totient is φ = 596932233216.

The previous prime is 2101001210089. The next prime is 2101001210117. The reversal of 2101001210112 is 2110121001012.

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 (2101001210117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129348 + ... + 2053955.

It is an arithmetic number, because the mean of its divisors is an integer number (44626733760).

Almost surely, 2^{2101001210112} 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 2101001210112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3213124830720).

2101001210112 is an abundant number, since it is smaller than the sum of its proper divisors (4325248451328).

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

2101001210112 is a wasteful number, since it uses less digits than its factorization.

2101001210112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183508 (or 2183494 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2101001210112 its reverse (2110121001012), we get a palindrome (4211122211124).

The spelling of 2101001210112 in words is "two trillion, one hundred one billion, one million, two hundred ten thousand, one hundred twelve".