10121111122012 has 24 divisors (see below), whose sum is σ = 19331062701552. Its totient is φ = 4598376134400.

The previous prime is 10121111122009. The next prime is 10121111122027. The reversal of 10121111122012 is 21022111112101.

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 7 ways as a sum of consecutive naturals, for example, 53126863 + ... + 53317030.

It is an arithmetic number, because the mean of its divisors is an integer number (805460945898).

Almost surely, 2^{10121111122012} is an apocalyptic number.

It is an amenable number.

10121111122012 is a deficient number, since it is larger than the sum of its proper divisors (9209951579540).

10121111122012 is a wasteful number, since it uses less digits than its factorization.

10121111122012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106446069 (or 106446067 counting only the distinct ones).

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

Adding to 10121111122012 its reverse (21022111112101), we get a palindrome (31143222234113).

The spelling of 10121111122012 in words is "ten trillion, one hundred twenty-one billion, one hundred eleven million, one hundred twenty-two thousand, twelve".