1101312020203 has 8 divisors (see below), whose sum is σ = 1163786616720. Its totient is φ = 1039288504320.

The previous prime is 1101312020191. The next prime is 1101312020219. The reversal of 1101312020203 is 3020202131011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1101312020203 - 2²⁹ = 1100775149291 is a prime.

It is a super-2 number, since 2×1101312020203² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1101312020273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112765138 + ... + 112774903.

It is an arithmetic number, because the mean of its divisors is an integer number (145473327090).

Almost surely, 2^{1101312020203} is an apocalyptic number.

1101312020203 is a deficient number, since it is larger than the sum of its proper divisors (62474596517).

1101312020203 is a wasteful number, since it uses less digits than its factorization.

1101312020203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225540317.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1101312020203 its reverse (3020202131011), we get a palindrome (4121514151214).

The spelling of 1101312020203 in words is "one trillion, one hundred one billion, three hundred twelve million, twenty thousand, two hundred three".