222131111234 has 4 divisors (see below), whose sum is σ = 333196666854. Its totient is φ = 111065555616.

The previous prime is 222131111203. The next prime is 222131111243. The reversal of 222131111234 is 432111131222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432111131222 = 2 ⋅216055565611.

It can be written as a sum of positive squares in only one way, i.e., 206129620225 + 16001491009 = 454015^2 + 126497^2 .

It is a super-3 number, since 3×222131111234³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55532777807 + ... + 55532777810.

Almost surely, 2^222131111234 is an apocalyptic number.

222131111234 is a deficient number, since it is larger than the sum of its proper divisors (111065555620).

222131111234 is a wasteful number, since it uses less digits than its factorization.

222131111234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111065555619.

The product of its digits is 576, while the sum is 23.

Adding to 222131111234 its reverse (432111131222), we get a palindrome (654242242456).

The spelling of 222131111234 in words is "two hundred twenty-two billion, one hundred thirty-one million, one hundred eleven thousand, two hundred thirty-four".