10002011121021 has 8 divisors (see below), whose sum is σ = 13336802006400. Its totient is φ = 6667613824832.

The previous prime is 10002011121017. The next prime is 10002011121049. The reversal of 10002011121021 is 12012111020001.

10002011121021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10002011121021 - 2² = 10002011121017 is a prime.

It is a super-2 number, since 2×10002011121021² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10002011120988 and 10002011121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002011121521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98337996 + ... + 98439653.

It is an arithmetic number, because the mean of its divisors is an integer number (1667100250800).

Almost surely, 2^{10002011121021} is an apocalyptic number.

It is an amenable number.

10002011121021 is a deficient number, since it is larger than the sum of its proper divisors (3334790885379).

10002011121021 is a wasteful number, since it uses less digits than its factorization.

10002011121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196794595.

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

Adding to 10002011121021 its reverse (12012111020001), we get a palindrome (22014122141022).

The spelling of 10002011121021 in words is "ten trillion, two billion, eleven million, one hundred twenty-one thousand, twenty-one".