222000202021 has 48 divisors (see below), whose sum is σ = 272383171200. Its totient is φ = 179267392512.

The previous prime is 222000202013. The next prime is 222000202033. The reversal of 222000202021 is 120202000222.

It is not a de Polignac number, because 222000202021 - 2³ = 222000202013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222000201992 and 222000202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000203021) 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 47 ways as a sum of consecutive naturals, for example, 3753960 + ... + 3812638.

It is an arithmetic number, because the mean of its divisors is an integer number (5674649400).

Almost surely, 2^222000202021 is an apocalyptic number.

It is an amenable number.

222000202021 is a deficient number, since it is larger than the sum of its proper divisors (50382969179).

222000202021 is a wasteful number, since it uses less digits than its factorization.

222000202021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58798 (or 58781 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 222000202021 its reverse (120202000222), we get a palindrome (342202202243).

The spelling of 222000202021 in words is "two hundred twenty-two billion, two hundred two thousand, twenty-one".