2109001370112 has 2160 divisors, whose sum is σ = 8389898637120. Its totient is φ = 526058717184.

The previous prime is 2109001370101. The next prime is 2109001370117. The reversal of 2109001370112 is 2110731009012.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2109001370117) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 23696644564 + ... + 23696644652.

It is an arithmetic number, because the mean of its divisors is an integer number (3884212332).

Almost surely, 2^{2109001370112} 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 2109001370112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4194949318560).

2109001370112 is an abundant number, since it is smaller than the sum of its proper divisors (6280897267008).

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

2109001370112 is an equidigital number, since it uses as much as digits as its factorization.

2109001370112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

Adding to 2109001370112 its reverse (2110731009012), we get a palindrome (4219732379124).

The spelling of 2109001370112 in words is "two trillion, one hundred nine billion, one million, three hundred seventy thousand, one hundred twelve".