221133234124 has 24 divisors (see below), whose sum is σ = 422202590208. Its totient is φ = 100505786640.

The previous prime is 221133234107. The next prime is 221133234199. The reversal of 221133234124 is 421432331122.

It is a junction number, because it is equal to n+sod(n) for n = 221133234092 and 221133234101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258597 + ... + 713539.

It is an arithmetic number, because the mean of its divisors is an integer number (17591774592).

Almost surely, 2^221133234124 is an apocalyptic number.

It is an amenable number.

221133234124 is a deficient number, since it is larger than the sum of its proper divisors (201069356084).

221133234124 is a wasteful number, since it uses less digits than its factorization.

221133234124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466005 (or 466003 counting only the distinct ones).

The product of its digits is 6912, while the sum is 28.

Adding to 221133234124 its reverse (421432331122), we get a palindrome (642565565246).

The spelling of 221133234124 in words is "two hundred twenty-one billion, one hundred thirty-three million, two hundred thirty-four thousand, one hundred twenty-four".