1203201101 has 4 divisors (see below), whose sum is σ = 1223594400. Its totient is φ = 1182807804.

The previous prime is 1203201089. The next prime is 1203201107. The reversal of 1203201101 is 1011023021.

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 a de Polignac number, because none of the positive numbers 2^k-1203201101 is a prime.

It is a super-2 number, since 2×1203201101² = 2895385778895224402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203201107) 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, 10196561 + ... + 10196678.

It is an arithmetic number, because the mean of its divisors is an integer number (305898600).

Almost surely, 2^1203201101 is an apocalyptic number.

It is an amenable number.

1203201101 is a deficient number, since it is larger than the sum of its proper divisors (20393299).

1203201101 is an equidigital number, since it uses as much as digits as its factorization.

1203201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20393298.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1203201101 is about 34687.1892923021. The cubic root of 1203201101 is about 1063.6026406075.

Adding to 1203201101 its reverse (1011023021), we get a palindrome (2214224122).

The spelling of 1203201101 in words is "one billion, two hundred three million, two hundred one thousand, one hundred one".