51105105222 has 8 divisors (see below), whose sum is σ = 102210210456. Its totient is φ = 17035035072.

The previous prime is 51105105193. The next prime is 51105105263. The reversal of 51105105222 is 22250150115.

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

51105105222 is an admirable number.

It is a super-2 number, since 2×51105105222² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51105105192 and 51105105201.

It is a congruent number.

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, 4258758763 + ... + 4258758774.

It is an arithmetic number, because the mean of its divisors is an integer number (12776276307).

Almost surely, 2^51105105222 is an apocalyptic number.

51105105222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51105105222 is a wasteful number, since it uses less digits than its factorization.

51105105222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8517517542.

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 51105105222 its reverse (22250150115), we get a palindrome (73355255337).

The spelling of 51105105222 in words is "fifty-one billion, one hundred five million, one hundred five thousand, two hundred twenty-two".