10111221121112 has 16 divisors (see below), whose sum is σ = 18960454561200. Its totient is φ = 5055099904800.

The previous prime is 10111221121063. The next prime is 10111221121121. The reversal of 10111221121112 is 21112112211101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63747812 + ... + 63906227.

It is an arithmetic number, because the mean of its divisors is an integer number (1185028410075).

Almost surely, 2^{10111221121112} is an apocalyptic number.

It is an amenable number.

10111221121112 is a deficient number, since it is larger than the sum of its proper divisors (8849233440088).

10111221121112 is a wasteful number, since it uses less digits than its factorization.

10111221121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127663946 (or 127663942 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 10111221121112 its reverse (21112112211101), we get a palindrome (31223333332213).

The spelling of 10111221121112 in words is "ten trillion, one hundred eleven billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".