1000131021001 has 8 divisors (see below), whose sum is σ = 1147454380800. Its totient is φ = 853919536128.

The previous prime is 1000131020951. The next prime is 1000131021041. The reversal of 1000131021001 is 1001201310001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1000131021001 - 2⁷ = 1000131020873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000131021041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277966801 + ... + 277970398.

It is an arithmetic number, because the mean of its divisors is an integer number (143431797600).

Almost surely, 2^{1000131021001} is an apocalyptic number.

It is an amenable number.

1000131021001 is a deficient number, since it is larger than the sum of its proper divisors (147323359799).

1000131021001 is an equidigital number, since it uses as much as digits as its factorization.

1000131021001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555937463.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 1000131021001 its reverse (1001201310001), we get a palindrome (2001332331002).

The spelling of 1000131021001 in words is "one trillion, one hundred thirty-one million, twenty-one thousand, one".