10020212012221 has 8 divisors (see below), whose sum is σ = 10759067745984. Its totient is φ = 9297959778240.

The previous prime is 10020212012183. The next prime is 10020212012249. The reversal of 10020212012221 is 12221021202001.

It is a happy number.

10020212012221 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 10020212012221 - 2¹⁷ = 10020211881149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10020212012195 and 10020212012204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10020212012621) 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, 4150873695 + ... + 4150876108.

It is an arithmetic number, because the mean of its divisors is an integer number (1344883468248).

Almost surely, 2^{10020212012221} is an apocalyptic number.

It is an amenable number.

10020212012221 is a deficient number, since it is larger than the sum of its proper divisors (738855733763).

10020212012221 is an equidigital number, since it uses as much as digits as its factorization.

10020212012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8301749891.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10020212012221 its reverse (12221021202001), we get a palindrome (22241233214222).

The spelling of 10020212012221 in words is "ten trillion, twenty billion, two hundred twelve million, twelve thousand, two hundred twenty-one".