2103021301020 has 96 divisors (see below), whose sum is σ = 6154739942400. Its totient is φ = 535527083520.

The previous prime is 2103021301019. The next prime is 2103021301021. The reversal of 2103021301020 is 201031203012.

It is an interprime number because it is at equal distance from previous prime (2103021301019) and next prime (2103021301021).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103021301021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445441 + ... + 2098680.

It is an arithmetic number, because the mean of its divisors is an integer number (64111874400).

Almost surely, 2^{2103021301020} is an apocalyptic number.

2103021301020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103021301020 is an abundant number, since it is smaller than the sum of its proper divisors (4051718641380).

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

2103021301020 is a wasteful number, since it uses less digits than its factorization.

2103021301020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2544755 (or 2544753 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 2103021301020 its reverse (201031203012), we get a palindrome (2304052504032).

The spelling of 2103021301020 in words is "two trillion, one hundred three billion, twenty-one million, three hundred one thousand, twenty".