1111013120320 has 56 divisors (see below), whose sum is σ = 2801223535464. Its totient is φ = 418263760896.

The previous prime is 1111013120299. The next prime is 1111013120333. The reversal of 1111013120320 is 230213101111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 263464570944 + 847548549376 = 513288^2 + 920624^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1111013120294 and 1111013120303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102109737 + ... + 102120616.

Almost surely, 2^{1111013120320} is an apocalyptic number.

1111013120320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111013120320 is an abundant number, since it is smaller than the sum of its proper divisors (1690210415144).

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

1111013120320 is a wasteful number, since it uses less digits than its factorization.

1111013120320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204230387 (or 204230377 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1111013120320 its reverse (230213101111), we get a palindrome (1341226221431).

The spelling of 1111013120320 in words is "one trillion, one hundred eleven billion, thirteen million, one hundred twenty thousand, three hundred twenty".