105005011222 has 32 divisors (see below), whose sum is σ = 175822202880. Its totient is φ = 46740839040.

The previous prime is 105005011219. The next prime is 105005011229. The reversal of 105005011222 is 222110500501.

It is a super-2 number, since 2×105005011222² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 105005011222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105005011229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292347 + ... + 543577.

It is an arithmetic number, because the mean of its divisors is an integer number (5494443840).

Almost surely, 2^105005011222 is an apocalyptic number.

105005011222 is a deficient number, since it is larger than the sum of its proper divisors (70817191658).

105005011222 is a wasteful number, since it uses less digits than its factorization.

105005011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251916.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 105005011222 its reverse (222110500501), we get a palindrome (327115511723).

The spelling of 105005011222 in words is "one hundred five billion, five million, eleven thousand, two hundred twenty-two".