10002012202021 has 4 divisors (see below), whose sum is σ = 11430871088032. Its totient is φ = 8573153316012.

The previous prime is 10002012202001. The next prime is 10002012202069. The reversal of 10002012202021 is 12020221020001.

It is a happy number.

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 10002012202021 - 2⁷ = 10002012201893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10002012201992 and 10002012202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10002012202001) 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 3 ways as a sum of consecutive naturals, for example, 714429442995 + ... + 714429443008.

It is an arithmetic number, because the mean of its divisors is an integer number (2857717772008).

Almost surely, 2^{10002012202021} is an apocalyptic number.

It is an amenable number.

10002012202021 is a deficient number, since it is larger than the sum of its proper divisors (1428858886011).

10002012202021 is an equidigital number, since it uses as much as digits as its factorization.

10002012202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428858886010.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 10002012202021 its reverse (12020221020001), we get a palindrome (22022233222022).

The spelling of 10002012202021 in words is "ten trillion, two billion, twelve million, two hundred two thousand, twenty-one".