10212211120221 has 24 divisors (see below), whose sum is σ = 16094885639040. Its totient is φ = 6188097091200.

The previous prime is 10212211120207. The next prime is 10212211120271. The reversal of 10212211120221 is 12202111221201.

10212211120221 is a `hidden beast` number, since 1 + 0 + 212 + 211 + 1 + 20 + 221 = 666.

It is not a de Polignac number, because 10212211120221 - 2⁹ = 10212211119709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10212211120194 and 10212211120203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212211120271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8798940 + ... + 9891701.

It is an arithmetic number, because the mean of its divisors is an integer number (670620234960).

Almost surely, 2^{10212211120221} is an apocalyptic number.

10212211120221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10212211120221 is a deficient number, since it is larger than the sum of its proper divisors (5882674518819).

10212211120221 is a wasteful number, since it uses less digits than its factorization.

10212211120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18696177 (or 18696174 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 10212211120221 its reverse (12202111221201), we get a palindrome (22414322341422).

The spelling of 10212211120221 in words is "ten trillion, two hundred twelve billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty-one".