2103201001220 has 24 divisors (see below), whose sum is σ = 4818242294208. Its totient is φ = 764800364000.

The previous prime is 2103201001219. The next prime is 2103201001247. The reversal of 2103201001220 is 221001023012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2103201001195 and 2103201001204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4780002056 + ... + 4780002495.

It is an arithmetic number, because the mean of its divisors is an integer number (200760095592).

Almost surely, 2^{2103201001220} is an apocalyptic number.

2103201001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103201001220 is an abundant number, since it is smaller than the sum of its proper divisors (2715041292988).

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

2103201001220 is a wasteful number, since it uses less digits than its factorization.

2103201001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9560004571 (or 9560004569 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2103201001220 its reverse (221001023012), we get a palindrome (2324202024232).

The spelling of 2103201001220 in words is "two trillion, one hundred three billion, two hundred one million, one thousand, two hundred twenty".