10121220000112 has 40 divisors (see below), whose sum is σ = 21155299845680. Its totient is φ = 4663151285760.

The previous prime is 10121220000097. The next prime is 10121220000163. The reversal of 10121220000112 is 21100002212101.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10121220000092 and 10121220000101.

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, 42490437 + ... + 42727972.

It is an arithmetic number, because the mean of its divisors is an integer number (528882496142).

Almost surely, 2^{10121220000112} is an apocalyptic number.

It is an amenable number.

10121220000112 is an abundant number, since it is smaller than the sum of its proper divisors (11034079845568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10121220000112 is a wasteful number, since it uses less digits than its factorization.

10121220000112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85219001 (or 85218995 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10121220000112 its reverse (21100002212101), we get a palindrome (31221222212213).

The spelling of 10121220000112 in words is "ten trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twelve", and thus it is an aban number.