222011210021 has 8 divisors (see below), whose sum is σ = 225150652800. Its totient is φ = 218872115280.

The previous prime is 222011209993. The next prime is 222011210027. The reversal of 222011210021 is 120012110222.

222011210021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222011210021 - 2¹⁴ = 222011193637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222011209978 and 222011210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011210027) 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 7 ways as a sum of consecutive naturals, for example, 1368695 + ... + 1522283.

It is an arithmetic number, because the mean of its divisors is an integer number (28143831600).

Almost surely, 2^222011210021 is an apocalyptic number.

It is an amenable number.

222011210021 is a deficient number, since it is larger than the sum of its proper divisors (3139442779).

222011210021 is a wasteful number, since it uses less digits than its factorization.

222011210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174019.

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

Adding to 222011210021 its reverse (120012110222), we get a palindrome (342023320243).

The spelling of 222011210021 in words is "two hundred twenty-two billion, eleven million, two hundred ten thousand, twenty-one".