1003101311220 has 24 divisors (see below), whose sum is σ = 2808683671584. Its totient is φ = 267493682976.

The previous prime is 1003101311171. The next prime is 1003101311227. The reversal of 1003101311220 is 221131013001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1003101311220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003101311227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8359177534 + ... + 8359177653.

It is an arithmetic number, because the mean of its divisors is an integer number (117028486316).

Almost surely, 2^{1003101311220} is an apocalyptic number.

1003101311220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003101311220 is an abundant number, since it is smaller than the sum of its proper divisors (1805582360364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1003101311220 is a wasteful number, since it uses less digits than its factorization.

1003101311220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16718355199 (or 16718355197 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1003101311220 its reverse (221131013001), we get a palindrome (1224232324221).

The spelling of 1003101311220 in words is "one trillion, three billion, one hundred one million, three hundred eleven thousand, two hundred twenty".