10212002020021 has 8 divisors (see below), whose sum is σ = 10667183664960. Its totient is φ = 9757752171552.

The previous prime is 10212002020007. The next prime is 10212002020049. The reversal of 10212002020021 is 12002020021201.

It is a happy number.

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 10212002020021 - 2⁹ = 10212002019509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212002019983 and 10212002020010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212002020721) 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, 232926711 + ... + 232970548.

It is an arithmetic number, because the mean of its divisors is an integer number (1333397958120).

Almost surely, 2^{10212002020021} is an apocalyptic number.

It is an amenable number.

10212002020021 is a deficient number, since it is larger than the sum of its proper divisors (455181644939).

10212002020021 is an equidigital number, since it uses as much as digits as its factorization.

10212002020021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465898235.

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

Adding to 10212002020021 its reverse (12002020021201), we get a palindrome (22214022041222).

The spelling of 10212002020021 in words is "ten trillion, two hundred twelve billion, two million, twenty thousand, twenty-one".