10121041215 has 24 divisors (see below), whose sum is σ = 17545610160. Its totient is φ = 5397128064.

The previous prime is 10121041211. The next prime is 10121041247. The reversal of 10121041215 is 51214012101.

It is not a de Polignac number, because 10121041215 - 2² = 10121041211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10121041211) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 472324 + ... + 493286.

It is an arithmetic number, because the mean of its divisors is an integer number (731067090).

Almost surely, 2^10121041215 is an apocalyptic number.

10121041215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10121041215 is a deficient number, since it is larger than the sum of its proper divisors (7424568945).

10121041215 is a wasteful number, since it uses less digits than its factorization.

10121041215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31703 (or 31700 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

Adding to 10121041215 its reverse (51214012101), we get a palindrome (61335053316).

The spelling of 10121041215 in words is "ten billion, one hundred twenty-one million, forty-one thousand, two hundred fifteen".