212010011120221 has 32 divisors (see below), whose sum is σ = 220803299136000. Its totient is φ = 203404422144000.

The previous prime is 212010011120191. The next prime is 212010011120249. The reversal of 212010011120221 is 122021110010212.

212010011120221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212010011120221 - 2¹¹ = 212010011118173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212010011120195 and 212010011120204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010011120321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4209947440 + ... + 4209997798.

It is an arithmetic number, because the mean of its divisors is an integer number (6900103098000).

Almost surely, 2^{212010011120221} is an apocalyptic number.

It is an amenable number.

212010011120221 is a deficient number, since it is larger than the sum of its proper divisors (8793288015779).

212010011120221 is a wasteful number, since it uses less digits than its factorization.

212010011120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54141.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212010011120221 its reverse (122021110010212), we get a palindrome (334031121130433).

The spelling of 212010011120221 in words is "two hundred twelve trillion, ten billion, eleven million, one hundred twenty thousand, two hundred twenty-one".