105550221070 has 32 divisors (see below), whose sum is σ = 217298966976. Its totient is φ = 36160800000.

The previous prime is 105550221037. The next prime is 105550221121. The reversal of 105550221070 is 70122055501.

It is a super-2 number, since 2×105550221070² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 488431 + ... + 670570.

It is an arithmetic number, because the mean of its divisors is an integer number (6790592718).

Almost surely, 2^105550221070 is an apocalyptic number.

105550221070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105550221070 is an abundant number, since it is smaller than the sum of its proper divisors (111748745906).

105550221070 is a wasteful number, since it uses less digits than its factorization.

105550221070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160316.

The product of its (nonzero) digits is 3500, while the sum is 28.

Adding to 105550221070 its reverse (70122055501), we get a palindrome (175672276571).

The spelling of 105550221070 in words is "one hundred five billion, five hundred fifty million, two hundred twenty-one thousand, seventy".