1001056100001 has 4 divisors (see below), whose sum is σ = 1334741466672. Its totient is φ = 667370733332.

The previous prime is 1001056099987. The next prime is 1001056100063. The reversal of 1001056100001 is 1000016501001.

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 1001056100001 - 2¹⁴ = 1001056083617 is a prime.

It is a super-2 number, since 2×1001056100001² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1001056100701) 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, 166842683331 + ... + 166842683336.

It is an arithmetic number, because the mean of its divisors is an integer number (333685366668).

Almost surely, 2^{1001056100001} is an apocalyptic number.

It is an amenable number.

1001056100001 is a deficient number, since it is larger than the sum of its proper divisors (333685366671).

1001056100001 is an equidigital number, since it uses as much as digits as its factorization.

1001056100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333685366670.

The product of its (nonzero) digits is 30, while the sum is 15.

The spelling of 1001056100001 in words is "one trillion, one billion, fifty-six million, one hundred thousand, one".