1203220320101 has 4 divisors (see below), whose sum is σ = 1203232286304. Its totient is φ = 1203208353900.

The previous prime is 1203220320089. The next prime is 1203220320119. The reversal of 1203220320101 is 1010230223021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1203220320101 - 2⁶ = 1203220320037 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 1203220320101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203220320151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5830985 + ... + 6033806.

It is an arithmetic number, because the mean of its divisors is an integer number (300808071576).

Almost surely, 2^{1203220320101} is an apocalyptic number.

It is an amenable number.

1203220320101 is a deficient number, since it is larger than the sum of its proper divisors (11966203).

1203220320101 is a wasteful number, since it uses less digits than its factorization.

1203220320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11966202.

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

Adding to 1203220320101 its reverse (1010230223021), we get a palindrome (2213450543122).

The spelling of 1203220320101 in words is "one trillion, two hundred three billion, two hundred twenty million, three hundred twenty thousand, one hundred one".