110012212172 has 12 divisors (see below), whose sum is σ = 195394825080. Its totient is φ = 54185119296.

The previous prime is 110012212171. The next prime is 110012212207. The reversal of 110012212172 is 271212210011.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (110012212171) 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, 205246397 + ... + 205246932.

It is an arithmetic number, because the mean of its divisors is an integer number (16282902090).

Almost surely, 2^110012212172 is an apocalyptic number.

It is an amenable number.

110012212172 is a deficient number, since it is larger than the sum of its proper divisors (85382612908).

110012212172 is a wasteful number, since it uses less digits than its factorization.

110012212172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410493400 (or 410493398 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 110012212172 its reverse (271212210011), we get a palindrome (381224422183).

The spelling of 110012212172 in words is "one hundred ten billion, twelve million, two hundred twelve thousand, one hundred seventy-two".