10121113420 has 48 divisors (see below), whose sum is σ = 24406905600. Its totient is φ = 3486697920.

The previous prime is 10121113417. The next prime is 10121113441. The reversal of 10121113420 is 2431112101.

It is a junction number, because it is equal to n+sod(n) for n = 10121113394 and 10121113403.

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 15 ways as a sum of consecutive naturals, for example, 1206480 + ... + 1214839.

It is an arithmetic number, because the mean of its divisors is an integer number (508477200).

Almost surely, 2^10121113420 is an apocalyptic number.

10121113420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10121113420 is an abundant number, since it is smaller than the sum of its proper divisors (14285792180).

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

10121113420 is a wasteful number, since it uses less digits than its factorization.

10121113420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421358 (or 2421356 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10121113420 its reverse (2431112101), we get a palindrome (12552225521).

The spelling of 10121113420 in words is "ten billion, one hundred twenty-one million, one hundred thirteen thousand, four hundred twenty".