222030031121 has 8 divisors (see below), whose sum is σ = 224382910920. Its totient is φ = 219678455808.

The previous prime is 222030031073. The next prime is 222030031141. The reversal of 222030031121 is 121130030222.

It can be written as a sum of positive squares in 4 ways, for example, as 4710900496 + 217319130625 = 68636^2 + 466175^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222030031121 - 2¹⁰ = 222030030097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222030031121.

It is not an unprimeable number, because it can be changed into a prime (222030031141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18005 + ... + 666621.

It is an arithmetic number, because the mean of its divisors is an integer number (28047863865).

Almost surely, 2^222030031121 is an apocalyptic number.

It is an amenable number.

222030031121 is a deficient number, since it is larger than the sum of its proper divisors (2352879799).

222030031121 is an equidigital number, since it uses as much as digits as its factorization.

222030031121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652243.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 222030031121 its reverse (121130030222), we get a palindrome (343160061343).

The spelling of 222030031121 in words is "two hundred twenty-two billion, thirty million, thirty-one thousand, one hundred twenty-one".