100001502001 has 2 divisors, whose sum is σ = 100001502002. Its totient is φ = 100001502000.

The previous prime is 100001501987. The next prime is 100001502023. The reversal of 100001502001 is 100205100001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71297010225 + 28704491776 = 267015^2 + 169424^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001502001 - 2⁵ = 100001501969 is a prime.

It is not a weakly prime, because it can be changed into another prime (100001506001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000751000 + 50000751001.

It is an arithmetic number, because the mean of its divisors is an integer number (50000751001).

Almost surely, 2^100001502001 is an apocalyptic number.

It is an amenable number.

100001502001 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001502001 is an equidigital number, since it uses as much as digits as its factorization.

100001502001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10, while the sum is 10.

Adding to 100001502001 its reverse (100205100001), we get a palindrome (200206602002).

The spelling of 100001502001 in words is "one hundred billion, one million, five hundred two thousand, one".