1003110021320 has 96 divisors (see below), whose sum is σ = 2598588371520. Its totient is φ = 345568947840.

The previous prime is 1003110021313. The next prime is 1003110021341. The reversal of 1003110021320 is 231200113001.

It is a super-2 number, since 2×1003110021320² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1003110021295 and 1003110021304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2998772 + ... + 3316451.

It is an arithmetic number, because the mean of its divisors is an integer number (27068628870).

Almost surely, 2^{1003110021320} is an apocalyptic number.

1003110021320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1003110021320 is an abundant number, since it is smaller than the sum of its proper divisors (1595478350200).

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

1003110021320 is a wasteful number, since it uses less digits than its factorization.

1003110021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6315283 (or 6315260 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1003110021320 its reverse (231200113001), we get a palindrome (1234310134321).

The spelling of 1003110021320 in words is "one trillion, three billion, one hundred ten million, twenty-one thousand, three hundred twenty".