110221121212112 has 20 divisors (see below), whose sum is σ = 213622690501920. Its totient is φ = 55092684953568.

The previous prime is 110221121212087. The next prime is 110221121212127. The reversal of 110221121212112 is 211212121122011.

It is a happy number.

It is a super-2 number, since 2×110221121212112² (a number of 29 digits) contains 22 as substring.

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, 1117177412 + ... + 1117276067.

It is an arithmetic number, because the mean of its divisors is an integer number (10681134525096).

Almost surely, 2^{110221121212112} is an apocalyptic number.

It is an amenable number.

110221121212112 is a deficient number, since it is larger than the sum of its proper divisors (103401569289808).

110221121212112 is a wasteful number, since it uses less digits than its factorization.

110221121212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234456570 (or 2234456564 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 110221121212112 its reverse (211212121122011), we get a palindrome (321433242334123).

The spelling of 110221121212112 in words is "one hundred ten trillion, two hundred twenty-one billion, one hundred twenty-one million, two hundred twelve thousand, one hundred twelve".