222011210121 has 8 divisors (see below), whose sum is σ = 301600134720. Its totient is φ = 145214879472.

The previous prime is 222011210119. The next prime is 222011210129. The reversal of 222011210121 is 121012110222.

222011210121 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 not a de Polignac number, because 222011210121 - 2¹ = 222011210119 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 222011210121.

It is not an unprimeable number, because it can be changed into a prime (222011210129) 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, 698148301 + ... + 698148618.

It is an arithmetic number, because the mean of its divisors is an integer number (37700016840).

Almost surely, 2^222011210121 is an apocalyptic number.

It is an amenable number.

222011210121 is a deficient number, since it is larger than the sum of its proper divisors (79588924599).

222011210121 is a wasteful number, since it uses less digits than its factorization.

222011210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396296975.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222011210121 its reverse (121012110222), we get a palindrome (343023320343).

The spelling of 222011210121 in words is "two hundred twenty-two billion, eleven million, two hundred ten thousand, one hundred twenty-one".