222132010021 has 16 divisors (see below), whose sum is σ = 228034409328. Its totient is φ = 216311155200.

The previous prime is 222132009997. The next prime is 222132010027. The reversal of 222132010021 is 120010231222.

It is a happy number.

222132010021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 13803665121 + 208328344900 = 117489^2 + 456430^2 .

It is a cyclic number.

It is not a de Polignac number, because 222132010021 - 2⁷ = 222132009893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222132009977 and 222132010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222132010027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3081531 + ... + 3152791.

It is an arithmetic number, because the mean of its divisors is an integer number (14252150583).

Almost surely, 2^222132010021 is an apocalyptic number.

It is an amenable number.

222132010021 is a deficient number, since it is larger than the sum of its proper divisors (5902399307).

222132010021 is a wasteful number, since it uses less digits than its factorization.

222132010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71832.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 222132010021 its reverse (120010231222), we get a palindrome (342142241243).

The spelling of 222132010021 in words is "two hundred twenty-two billion, one hundred thirty-two million, ten thousand, twenty-one".