1011003113320 has 128 divisors (see below), whose sum is σ = 2375800035840. Its totient is φ = 386833807360.

The previous prime is 1011003113317. The next prime is 1011003113347. The reversal of 1011003113320 is 233113001101.

It is a super-2 number, since 2×1011003113320² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1011003113294 and 1011003113303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174097857 + ... + 174103663.

It is an arithmetic number, because the mean of its divisors is an integer number (18560937780).

Almost surely, 2^{1011003113320} is an apocalyptic number.

1011003113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011003113320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187900017920).

1011003113320 is an abundant number, since it is smaller than the sum of its proper divisors (1364796922520).

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

1011003113320 is a wasteful number, since it uses less digits than its factorization.

1011003113320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7915 (or 7911 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1011003113320 its reverse (233113001101), we get a palindrome (1244116114421).

The spelling of 1011003113320 in words is "one trillion, eleven billion, three million, one hundred thirteen thousand, three hundred twenty".