10002111012021 has 8 divisors (see below), whose sum is σ = 13915980538560. Its totient is φ = 6378157746752.

The previous prime is 10002111012001. The next prime is 10002111012139. The reversal of 10002111012021 is 12021011120001.

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 10002111012021 - 2⁵ = 10002111011989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10002111011988 and 10002111012006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002111012001) 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, 72479065236 + ... + 72479065373.

It is an arithmetic number, because the mean of its divisors is an integer number (1739497567320).

Almost surely, 2^{10002111012021} is an apocalyptic number.

It is an amenable number.

10002111012021 is a deficient number, since it is larger than the sum of its proper divisors (3913869526539).

10002111012021 is a wasteful number, since it uses less digits than its factorization.

10002111012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144958130635.

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

Adding to 10002111012021 its reverse (12021011120001), we get a palindrome (22023122132022).

The spelling of 10002111012021 in words is "ten trillion, two billion, one hundred eleven million, twelve thousand, twenty-one".