222121122031230 has 16 divisors (see below), whose sum is σ = 533090692875024. Its totient is φ = 59232299208320.

The previous prime is 222121122031217. The next prime is 222121122031247. The reversal of 222121122031230 is 32130221121222.

It is a self number, because there is not a number n which added to its sum of digits gives 222121122031230.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3702018700491 + ... + 3702018700550.

It is an arithmetic number, because the mean of its divisors is an integer number (33318168304689).

Almost surely, 2^{222121122031230} is an apocalyptic number.

222121122031230 is an abundant number, since it is smaller than the sum of its proper divisors (310969570843794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222121122031230 is a wasteful number, since it uses less digits than its factorization.

222121122031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7404037401051.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 222121122031230 its reverse (32130221121222), we get a palindrome (254251343152452).

The spelling of 222121122031230 in words is "two hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty-two million, thirty-one thousand, two hundred thirty".