100001011301321 has 4 divisors (see below), whose sum is σ = 107693396786052. Its totient is φ = 92308625816592.

The previous prime is 100001011301281. The next prime is 100001011301351. The reversal of 100001011301321 is 123103110100001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50426189299600 + 49574822001721 = 7101140^2 + 7040939^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100001011301321 is a prime.

It is a super-2 number, since 2×100001011301321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100001011301296 and 100001011301305.

It is not an unprimeable number, because it can be changed into a prime (100001011301351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3846192742346 + ... + 3846192742371.

It is an arithmetic number, because the mean of its divisors is an integer number (26923349196513).

Almost surely, 2^{100001011301321} is an apocalyptic number.

It is an amenable number.

100001011301321 is a deficient number, since it is larger than the sum of its proper divisors (7692385484731).

100001011301321 is an equidigital number, since it uses as much as digits as its factorization.

100001011301321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7692385484730.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 100001011301321 its reverse (123103110100001), we get a palindrome (223104121401322).

The spelling of 100001011301321 in words is "one hundred trillion, one billion, eleven million, three hundred one thousand, three hundred twenty-one".