1001012302021 has 4 divisors (see below), whose sum is σ = 1007153481952. Its totient is φ = 994871122092.

The previous prime is 1001012301917. The next prime is 1001012302061. The reversal of 1001012302021 is 1202032101001.

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 1001012302021 - 2³¹ = 998864818373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001012301992 and 1001012302010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001012302061) 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 3 ways as a sum of consecutive naturals, for example, 3070589721 + ... + 3070590046.

It is an arithmetic number, because the mean of its divisors is an integer number (251788370488).

Almost surely, 2^{1001012302021} is an apocalyptic number.

It is an amenable number.

1001012302021 is a deficient number, since it is larger than the sum of its proper divisors (6141179931).

1001012302021 is an equidigital number, since it uses as much as digits as its factorization.

1001012302021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141179930.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1001012302021 its reverse (1202032101001), we get a palindrome (2203044403022).

The spelling of 1001012302021 in words is "one trillion, one billion, twelve million, three hundred two thousand, twenty-one".