1002011112021 has 8 divisors (see below), whose sum is σ = 1336021597120. Its totient is φ = 668004017472.

The previous prime is 1002011111947. The next prime is 1002011112079. The reversal of 1002011112021 is 1202111102001.

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

It is not a de Polignac number, because 1002011112021 - 2¹⁵ = 1002011079253 is a prime.

It is a super-2 number, since 2×1002011112021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002011111988 and 1002011112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002011112721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51145 + ... + 1416558.

It is an arithmetic number, because the mean of its divisors is an integer number (167002699640).

Almost surely, 2^{1002011112021} is an apocalyptic number.

It is an amenable number.

1002011112021 is a deficient number, since it is larger than the sum of its proper divisors (334010485099).

1002011112021 is a wasteful number, since it uses less digits than its factorization.

1002011112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1695275.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1002011112021 its reverse (1202111102001), we get a palindrome (2204122214022).

The spelling of 1002011112021 in words is "one trillion, two billion, eleven million, one hundred twelve thousand, twenty-one".