221134354334 has 4 divisors (see below), whose sum is σ = 331701531504. Its totient is φ = 110567177166.

The previous prime is 221134354303. The next prime is 221134354379. The reversal of 221134354334 is 433453431122.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 221134354294 and 221134354303.

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 as a sum of consecutive naturals, namely, 55283588582 + ... + 55283588585.

It is an arithmetic number, because the mean of its divisors is an integer number (82925382876).

Almost surely, 2^221134354334 is an apocalyptic number.

221134354334 is a deficient number, since it is larger than the sum of its proper divisors (110567177170).

221134354334 is a wasteful number, since it uses less digits than its factorization.

221134354334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110567177169.

The product of its digits is 103680, while the sum is 35.

Adding to 221134354334 its reverse (433453431122), we get a palindrome (654587785456).

The spelling of 221134354334 in words is "two hundred twenty-one billion, one hundred thirty-four million, three hundred fifty-four thousand, three hundred thirty-four".