222032030121 has 64 divisors (see below), whose sum is σ = 374699520000. Its totient is φ = 128625488640.

The previous prime is 222032030063. The next prime is 222032030149. The reversal of 222032030121 is 121030230222.

222032030121 is a `hidden beast` number, since 2 + 2 + 20 + 320 + 301 + 21 = 666.

It is not a de Polignac number, because 222032030121 - 2⁶ = 222032030057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222032030094 and 222032030103.

It is not an unprimeable number, because it can be changed into a prime (222032038121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10639105 + ... + 10659953.

It is an arithmetic number, because the mean of its divisors is an integer number (5854680000).

Almost surely, 2^222032030121 is an apocalyptic number.

It is an amenable number.

222032030121 is a deficient number, since it is larger than the sum of its proper divisors (152667489879).

222032030121 is a wasteful number, since it uses less digits than its factorization.

222032030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22451 (or 22445 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 222032030121 its reverse (121030230222), we get a palindrome (343062260343).

The spelling of 222032030121 in words is "two hundred twenty-two billion, thirty-two million, thirty thousand, one hundred twenty-one".