10212020010221 has 8 divisors (see below), whose sum is σ = 10626619169760. Its totient is φ = 9805471319952.

The previous prime is 10212020010193. The next prime is 10212020010223. The reversal of 10212020010221 is 12201002021201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10212020010221 is a prime.

It is a super-2 number, since 2×10212020010221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10212020010196 and 10212020010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212020010223) 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, 2012614730 + ... + 2012619803.

It is an arithmetic number, because the mean of its divisors is an integer number (1328327396220).

Almost surely, 2^{10212020010221} is an apocalyptic number.

It is an amenable number.

10212020010221 is a deficient number, since it is larger than the sum of its proper divisors (414599159539).

10212020010221 is an equidigital number, since it uses as much as digits as its factorization.

10212020010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025234635.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10212020010221 its reverse (12201002021201), we get a palindrome (22413022031422).

The spelling of 10212020010221 in words is "ten trillion, two hundred twelve billion, twenty million, ten thousand, two hundred twenty-one".