2101304044452 has 96 divisors (see below), whose sum is σ = 5238647930880. Its totient is φ = 653616311040.

The previous prime is 2101304044451. The next prime is 2101304044457. The reversal of 2101304044452 is 2544404031012.

It is not an unprimeable number, because it can be changed into a prime (2101304044451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17536648 + ... + 17656064.

It is an arithmetic number, because the mean of its divisors is an integer number (54569249280).

Almost surely, 2^{2101304044452} 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 2101304044452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2619323965440).

2101304044452 is an abundant number, since it is smaller than the sum of its proper divisors (3137343886428).

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

2101304044452 is a wasteful number, since it uses less digits than its factorization.

2101304044452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120601 (or 120599 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 2101304044452 its reverse (2544404031012), we get a palindrome (4645708075464).

The spelling of 2101304044452 in words is "two trillion, one hundred one billion, three hundred four million, forty-four thousand, four hundred fifty-two".