1201110110203 has 32 divisors (see below), whose sum is σ = 1260201600000. Its totient is φ = 1143348877440.

The previous prime is 1201110110197. The next prime is 1201110110227. The reversal of 1201110110203 is 3020110111021.

It is a happy number.

It is not a de Polignac number, because 1201110110203 - 2¹³ = 1201110102011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1201110110273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 336349408 + ... + 336352978.

It is an arithmetic number, because the mean of its divisors is an integer number (39381300000).

Almost surely, 2^{1201110110203} is an apocalyptic number.

1201110110203 is a deficient number, since it is larger than the sum of its proper divisors (59091489797).

1201110110203 is a wasteful number, since it uses less digits than its factorization.

1201110110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4315.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1201110110203 its reverse (3020110111021), we get a palindrome (4221220221224).

The spelling of 1201110110203 in words is "one trillion, two hundred one billion, one hundred ten million, one hundred ten thousand, two hundred three".