1201113030203 has 16 divisors (see below), whose sum is σ = 1329068886336. Its totient is φ = 1079672816640.

The previous prime is 1201113030193. The next prime is 1201113030217. The reversal of 1201113030203 is 3020303111021.

It is a cyclic number.

It is not a de Polignac number, because 1201113030203 - 2¹² = 1201113026107 is a prime.

It is a super-2 number, since 2×1201113030203² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201113030233) 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, 2065226 + ... + 2582127.

It is an arithmetic number, because the mean of its divisors is an integer number (83066805396).

Almost surely, 2^{1201113030203} is an apocalyptic number.

1201113030203 is a deficient number, since it is larger than the sum of its proper divisors (127955856133).

1201113030203 is a wasteful number, since it uses less digits than its factorization.

1201113030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648054.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1201113030203 its reverse (3020303111021), we get a palindrome (4221416141224).

The spelling of 1201113030203 in words is "one trillion, two hundred one billion, one hundred thirteen million, thirty thousand, two hundred three".