105112012222 has 8 divisors (see below), whose sum is σ = 180192020976. Its totient is φ = 45048005232.

The previous prime is 105112012193. The next prime is 105112012223. The reversal of 105112012222 is 222210211501.

It is a happy number.

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

It is a super-2 number, since 2×105112012222² (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 105112012222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105112012223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3754000423 + ... + 3754000450.

It is an arithmetic number, because the mean of its divisors is an integer number (22524002622).

Almost surely, 2^105112012222 is an apocalyptic number.

105112012222 is a deficient number, since it is larger than the sum of its proper divisors (75080008754).

105112012222 is an equidigital number, since it uses as much as digits as its factorization.

105112012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7508000882.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 105112012222 its reverse (222210211501), we get a palindrome (327322223723).

The spelling of 105112012222 in words is "one hundred five billion, one hundred twelve million, twelve thousand, two hundred twenty-two".