1001321103130 has 16 divisors (see below), whose sum is σ = 1846338425064. Its totient is φ = 390759454720.

The previous prime is 1001321103121. The next prime is 1001321103131. The reversal of 1001321103130 is 313011231001.

It can be written as a sum of positive squares in 4 ways, for example, as 739106442369 + 262214660761 = 859713^2 + 512069^2 .

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 7 ways as a sum of consecutive naturals, for example, 1221122887 + ... + 1221123706.

Almost surely, 2^{1001321103130} is an apocalyptic number.

1001321103130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001321103130 is a deficient number, since it is larger than the sum of its proper divisors (845017321934).

1001321103130 is a wasteful number, since it uses less digits than its factorization.

1001321103130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442246641.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 1001321103130 its reverse (313011231001), we get a palindrome (1314332334131).

The spelling of 1001321103130 in words is "one trillion, one billion, three hundred twenty-one million, one hundred three thousand, one hundred thirty".