10121020112 has 40 divisors (see below), whose sum is σ = 22439147136. Its totient is φ = 4332099456.

The previous prime is 10121020087. The next prime is 10121020127. The reversal of 10121020112 is 21102012101.

It is a junction number, because it is equal to n+sod(n) for n = 10121020093 and 10121020102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32573 + ... + 145955.

Almost surely, 2^10121020112 is an apocalyptic number.

It is an amenable number.

10121020112 is an abundant number, since it is smaller than the sum of its proper divisors (12318127024).

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

10121020112 is a wasteful number, since it uses less digits than its factorization.

10121020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114195 (or 114189 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10121020112 its reverse (21102012101), we get a palindrome (31223032213).

The spelling of 10121020112 in words is "ten billion, one hundred twenty-one million, twenty thousand, one hundred twelve".