213222014021 has 16 divisors (see below), whose sum is σ = 230223845376. Its totient is φ = 196754343936.

The previous prime is 213222014003. The next prime is 213222014077. The reversal of 213222014021 is 120410222312.

It is a cyclic number.

It is not a de Polignac number, because 213222014021 - 2⁶ = 213222013957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213222013984 and 213222014002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213222011021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427781 + ... + 780666.

It is an arithmetic number, because the mean of its divisors is an integer number (14388990336).

Almost surely, 2^213222014021 is an apocalyptic number.

It is an amenable number.

213222014021 is a deficient number, since it is larger than the sum of its proper divisors (17001831355).

213222014021 is a wasteful number, since it uses less digits than its factorization.

213222014021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208668.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 213222014021 its reverse (120410222312), we get a palindrome (333632236333).

The spelling of 213222014021 in words is "two hundred thirteen billion, two hundred twenty-two million, fourteen thousand, twenty-one".