1102131321000 has 128 divisors (see below), whose sum is σ = 3531586556160. Its totient is φ = 285958368000.

The previous prime is 1102131320993. The next prime is 1102131321013. The reversal of 1102131321000 is 1231312011.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4853556 + ... + 5075555.

It is an arithmetic number, because the mean of its divisors is an integer number (27590519970).

Almost surely, 2^{1102131321000} is an apocalyptic number.

1102131321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102131321000 is an abundant number, since it is smaller than the sum of its proper divisors (2429455235160).

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

1102131321000 is a wasteful number, since it uses less digits than its factorization.

1102131321000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9929172 (or 9929158 counting only the distinct ones).

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

Adding to 1102131321000 its reverse (1231312011), we get a palindrome (1103362633011).

The spelling of 1102131321000 in words is "one trillion, one hundred two billion, one hundred thirty-one million, three hundred twenty-one thousand".