1203032100221 has 8 divisors (see below), whose sum is σ = 1447256662080. Its totient is φ = 976898246688.

The previous prime is 1203032100217. The next prime is 1203032100233. The reversal of 1203032100221 is 1220012303021.

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

It is not a de Polignac number, because 1203032100221 - 2² = 1203032100217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1203032100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203032100211) by changing a digit.

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, 4522676936 + ... + 4522677201.

It is an arithmetic number, because the mean of its divisors is an integer number (180907082760).

Almost surely, 2^{1203032100221} is an apocalyptic number.

It is an amenable number.

1203032100221 is a deficient number, since it is larger than the sum of its proper divisors (244224561859).

1203032100221 is an equidigital number, since it uses as much as digits as its factorization.

1203032100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9045354163.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1203032100221 its reverse (1220012303021), we get a palindrome (2423044403242).

The spelling of 1203032100221 in words is "one trillion, two hundred three billion, thirty-two million, one hundred thousand, two hundred twenty-one".