1001321103132 has 72 divisors (see below), whose sum is σ = 2892841442400. Its totient is φ = 286078290048.

The previous prime is 1001321103131. The next prime is 1001321103143. The reversal of 1001321103132 is 2313011231001.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001321103131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6084994 + ... + 6247382.

Almost surely, 2^{1001321103132} is an apocalyptic number.

1001321103132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001321103132 is an abundant number, since it is smaller than the sum of its proper divisors (1891520339268).

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

1001321103132 is a wasteful number, since it uses less digits than its factorization.

1001321103132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186875 (or 186870 counting only the distinct ones).

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

Adding to 1001321103132 its reverse (2313011231001), we get a palindrome (3314332334133).

The spelling of 1001321103132 in words is "one trillion, one billion, three hundred twenty-one million, one hundred three thousand, one hundred thirty-two".