113321002001001 has 4 divisors (see below), whose sum is σ = 151094669334672. Its totient is φ = 75547334667332.

The previous prime is 113321002000991. The next prime is 113321002001003. The reversal of 113321002001001 is 100100200123311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113321002001001 - 2¹⁹ = 113321001476713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113321002001003) 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, 18886833666831 + ... + 18886833666836.

It is an arithmetic number, because the mean of its divisors is an integer number (37773667333668).

Almost surely, 2^{113321002001001} is an apocalyptic number.

It is an amenable number.

113321002001001 is a deficient number, since it is larger than the sum of its proper divisors (37773667333671).

113321002001001 is an equidigital number, since it uses as much as digits as its factorization.

113321002001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37773667333670.

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

Adding to 113321002001001 its reverse (100100200123311), we get a palindrome (213421202124312).

The spelling of 113321002001001 in words is "one hundred thirteen trillion, three hundred twenty-one billion, two million, one thousand, one".