1102011331020 has 24 divisors (see below), whose sum is σ = 3085631727024. Its totient is φ = 293869688256.

The previous prime is 1102011330947. The next prime is 1102011331033. The reversal of 1102011331020 is 201331102011.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9183427699 + ... + 9183427818.

It is an arithmetic number, because the mean of its divisors is an integer number (128567988626).

Almost surely, 2^{1102011331020} is an apocalyptic number.

1102011331020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102011331020 is an abundant number, since it is smaller than the sum of its proper divisors (1983620396004).

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

1102011331020 is a wasteful number, since it uses less digits than its factorization.

1102011331020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18366855529 (or 18366855527 counting only the distinct ones).

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

Adding to 1102011331020 its reverse (201331102011), we get a palindrome (1303342433031).

The spelling of 1102011331020 in words is "one trillion, one hundred two billion, eleven million, three hundred thirty-one thousand, twenty".