105621352234 has 8 divisors (see below), whose sum is σ = 158440822848. Its totient is φ = 52807744620.

The previous prime is 105621352159. The next prime is 105621352289. The reversal of 105621352234 is 432253126501.

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

It is a super-2 number, since 2×105621352234² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105621352234.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1420432 + ... + 1492939.

It is an arithmetic number, because the mean of its divisors is an integer number (19805102856).

Almost surely, 2^105621352234 is an apocalyptic number.

105621352234 is a deficient number, since it is larger than the sum of its proper divisors (52819470614).

105621352234 is a wasteful number, since it uses less digits than its factorization.

105621352234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931500.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 105621352234 its reverse (432253126501), we get a palindrome (537874478735).

The spelling of 105621352234 in words is "one hundred five billion, six hundred twenty-one million, three hundred fifty-two thousand, two hundred thirty-four".