2120344441403 has 8 divisors (see below), whose sum is σ = 2172109037280. Its totient is φ = 2068582173120.

The previous prime is 2120344441363. The next prime is 2120344441429. The reversal of 2120344441403 is 3041444430212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120344441403 - 2¹⁶ = 2120344375867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120344441403.

It is not an unprimeable number, because it can be changed into a prime (2120344441003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1338701 + ... + 2456177.

It is an arithmetic number, because the mean of its divisors is an integer number (271513629660).

Almost surely, 2^{2120344441403} is an apocalyptic number.

2120344441403 is a deficient number, since it is larger than the sum of its proper divisors (51764595877).

2120344441403 is a wasteful number, since it uses less digits than its factorization.

2120344441403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163797.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2120344441403 its reverse (3041444430212), we get a palindrome (5161788871615).

The spelling of 2120344441403 in words is "two trillion, one hundred twenty billion, three hundred forty-four million, four hundred forty-one thousand, four hundred three".