222010201021 has 6 divisors (see below), whose sum is σ = 258256764510. Its totient is φ = 190294457976.

The previous prime is 222010201019. The next prime is 222010201031. The reversal of 222010201021 is 120102010222.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 190782009796 + 31228191225 = 436786^2 + 176715^2 .

It is not a de Polignac number, because 222010201021 - 2¹ = 222010201019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222010200992 and 222010201010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222010201031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2265410166 + ... + 2265410263.

It is an arithmetic number, because the mean of its divisors is an integer number (43042794085).

Almost surely, 2^222010201021 is an apocalyptic number.

It is an amenable number.

222010201021 is a deficient number, since it is larger than the sum of its proper divisors (36246563489).

222010201021 is an equidigital number, since it uses as much as digits as its factorization.

222010201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4530820443 (or 4530820436 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222010201021 its reverse (120102010222), we get a palindrome (342112211243).

The spelling of 222010201021 in words is "two hundred twenty-two billion, ten million, two hundred one thousand, twenty-one".