222111303121 has 4 divisors (see below), whose sum is σ = 222112540912. Its totient is φ = 222110065332.

The previous prime is 222111303119. The next prime is 222111303133. The reversal of 222111303121 is 121303111222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222111303121 - 2¹ = 222111303119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222111303521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292275 + ... + 727768.

It is an arithmetic number, because the mean of its divisors is an integer number (55528135228).

Almost surely, 2^222111303121 is an apocalyptic number.

It is an amenable number.

222111303121 is a deficient number, since it is larger than the sum of its proper divisors (1237791).

222111303121 is a wasteful number, since it uses less digits than its factorization.

222111303121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237790.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 222111303121 its reverse (121303111222), we get a palindrome (343414414343).

The spelling of 222111303121 in words is "two hundred twenty-two billion, one hundred eleven million, three hundred three thousand, one hundred twenty-one".