20020210112221 has 8 divisors (see below), whose sum is σ = 22006948521888. Its totient is φ = 18061258254000.

The previous prime is 20020210112219. The next prime is 20020210112233. The reversal of 20020210112221 is 12221101202002.

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 20020210112221 - 2¹ = 20020210112219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20020210112195 and 20020210112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020510112221) 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, 6946636350 + ... + 6946639231.

It is an arithmetic number, because the mean of its divisors is an integer number (2750868565236).

Almost surely, 2^{20020210112221} is an apocalyptic number.

It is an amenable number.

20020210112221 is a deficient number, since it is larger than the sum of its proper divisors (1986738409667).

20020210112221 is a wasteful number, since it uses less digits than its factorization.

20020210112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13893275723.

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

Adding to 20020210112221 its reverse (12221101202002), we get a palindrome (32241311314223).

The spelling of 20020210112221 in words is "twenty trillion, twenty billion, two hundred ten million, one hundred twelve thousand, two hundred twenty-one".