221021020000211 has 32 divisors (see below), whose sum is σ = 242663107115520. Its totient is φ = 200585263507200.

The previous prime is 221021020000171. The next prime is 221021020000273. The reversal of 221021020000211 is 112000020120122.

221021020000211 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 221021020000211 - 2³⁴ = 221003840131027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221021020000111) 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, 9423845 + ... + 23040201.

It is an arithmetic number, because the mean of its divisors is an integer number (7583222097360).

Almost surely, 2^{221021020000211} is an apocalyptic number.

221021020000211 is a deficient number, since it is larger than the sum of its proper divisors (21642087115309).

221021020000211 is a wasteful number, since it uses less digits than its factorization.

221021020000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13616795.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221021020000211 its reverse (112000020120122), we get a palindrome (333021040120333).

The spelling of 221021020000211 in words is "two hundred twenty-one trillion, twenty-one billion, twenty million, two hundred eleven", and thus it is an aban number.