222011122021 has 32 divisors (see below), whose sum is σ = 245421792000. Its totient is φ = 199595404800.

The previous prime is 222011122019. The next prime is 222011122037. The reversal of 222011122021 is 120221110222.

It is a happy number.

222011122021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 222011122021 - 2¹ = 222011122019 is a prime.

It is a super-2 number, since 2×222011122021² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 222011121986 and 222011122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011122621) 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 31 ways as a sum of consecutive naturals, for example, 23249770 + ... + 23259316.

It is an arithmetic number, because the mean of its divisors is an integer number (7669431000).

Almost surely, 2^222011122021 is an apocalyptic number.

It is an amenable number.

222011122021 is a deficient number, since it is larger than the sum of its proper divisors (23410669979).

222011122021 is a wasteful number, since it uses less digits than its factorization.

222011122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9949.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222011122021 its reverse (120221110222), we get a palindrome (342232232243).

The spelling of 222011122021 in words is "two hundred twenty-two billion, eleven million, one hundred twenty-two thousand, twenty-one".