1101131203320 has 128 divisors (see below), whose sum is σ = 3739691073600. Its totient is φ = 288094689792.

The previous prime is 1101131203309. The next prime is 1101131203331. The reversal of 1101131203320 is 233021311011.

1101131203320 is a `hidden beast` number, since 1 + 10 + 1 + 131 + 203 + 320 = 666.

It is an interprime number because it is at equal distance from previous prime (1101131203309) and next prime (1101131203331).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1101131203293 and 1101131203302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9561307 + ... + 9675786.

Almost surely, 2^{1101131203320} is an apocalyptic number.

1101131203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101131203320 is an abundant number, since it is smaller than the sum of its proper divisors (2638559870280).

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

1101131203320 is a wasteful number, since it uses less digits than its factorization.

1101131203320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19237166 (or 19237156 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1101131203320 its reverse (233021311011), we get a palindrome (1334152514331).

The spelling of 1101131203320 in words is "one trillion, one hundred one billion, one hundred thirty-one million, two hundred three thousand, three hundred twenty".