10121011125 has 32 divisors (see below), whose sum is σ = 16874013312. Its totient is φ = 5387408000.

The previous prime is 10121011111. The next prime is 10121011157. The reversal of 10121011125 is 52111012101.

10121011125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10121011125 - 2¹³ = 10121002933 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

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 31 ways as a sum of consecutive naturals, for example, 169474 + ... + 221276.

It is an arithmetic number, because the mean of its divisors is an integer number (527312916).

Almost surely, 2^10121011125 is an apocalyptic number.

10121011125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10121011125 is a deficient number, since it is larger than the sum of its proper divisors (6753002187).

10121011125 is an equidigital number, since it uses as much as digits as its factorization.

10121011125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52342 (or 52332 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 10121011125 its reverse (52111012101), we get a palindrome (62232023226).

The spelling of 10121011125 in words is "ten billion, one hundred twenty-one million, eleven thousand, one hundred twenty-five".