110221121122012 has 24 divisors (see below), whose sum is σ = 193584871481904. Its totient is φ = 54911161062912.

The previous prime is 110221121121977. The next prime is 110221121122027. The reversal of 110221121122012 is 210221121122011.

It is a happy number.

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, 168551703 + ... + 169204369.

It is an arithmetic number, because the mean of its divisors is an integer number (8066036311746).

Almost surely, 2^{110221121122012} is an apocalyptic number.

It is an amenable number.

110221121122012 is a deficient number, since it is larger than the sum of its proper divisors (83363750359892).

110221121122012 is a wasteful number, since it uses less digits than its factorization.

110221121122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805365 (or 805363 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 110221121122012 its reverse (210221121122011), we get a palindrome (320442242244023).

Subtracting 110221121122012 from its reverse (210221121122011), we obtain a palindrome (99999999999999).

The spelling of 110221121122012 in words is "one hundred ten trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-two thousand, twelve".