1203221203101 has 16 divisors (see below), whose sum is σ = 1786093787520. Its totient is φ = 800552733120.

The previous prime is 1203221203091. The next prime is 1203221203109. The reversal of 1203221203101 is 1013021223021.

1203221203101 is a `hidden beast` number, since 1 + 20 + 322 + 12 + 0 + 310 + 1 = 666.

It is not a de Polignac number, because 1203221203101 - 2⁷ = 1203221202973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203221203109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44284380 + ... + 44311541.

It is an arithmetic number, because the mean of its divisors is an integer number (111630861720).

Almost surely, 2^{1203221203101} is an apocalyptic number.

It is an amenable number.

1203221203101 is a deficient number, since it is larger than the sum of its proper divisors (582872584419).

1203221203101 is an equidigital number, since it uses as much as digits as its factorization.

1203221203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88596433 (or 88596427 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 1203221203101 its reverse (1013021223021), we get a palindrome (2216242426122).

The spelling of 1203221203101 in words is "one trillion, two hundred three billion, two hundred twenty-one million, two hundred three thousand, one hundred one".