10112020212221 has 8 divisors (see below), whose sum is σ = 10116552592224. Its totient is φ = 10107488117520.

The previous prime is 10112020212193. The next prime is 10112020212241. The reversal of 10112020212221 is 12221202021101.

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-10112020212221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10112020212221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112020212241) 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, 104195906 + ... + 104292908.

It is an arithmetic number, because the mean of its divisors is an integer number (1264569074028).

Almost surely, 2^{10112020212221} is an apocalyptic number.

It is an amenable number.

10112020212221 is a deficient number, since it is larger than the sum of its proper divisors (4532380003).

10112020212221 is an equidigital number, since it uses as much as digits as its factorization.

10112020212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142651.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10112020212221 its reverse (12221202021101), we get a palindrome (22333222233322).

The spelling of 10112020212221 in words is "ten trillion, one hundred twelve billion, twenty million, two hundred twelve thousand, two hundred twenty-one".