105111511214 has 16 divisors (see below), whose sum is σ = 158075351280. Its totient is φ = 52419795840.

The previous prime is 105111511177. The next prime is 105111511223. The reversal of 105111511214 is 412115111501.

It is a super-2 number, since 2×105111511214² (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 105111511214.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3527972 + ... + 3557640.

It is an arithmetic number, because the mean of its divisors is an integer number (9879709455).

Almost surely, 2^105111511214 is an apocalyptic number.

105111511214 is a deficient number, since it is larger than the sum of its proper divisors (52963840066).

105111511214 is a wasteful number, since it uses less digits than its factorization.

105111511214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34195.

The product of its (nonzero) digits is 200, while the sum is 23.

Adding to 105111511214 its reverse (412115111501), we get a palindrome (517226622715).

The spelling of 105111511214 in words is "one hundred five billion, one hundred eleven million, five hundred eleven thousand, two hundred fourteen".