103112111121 has 8 divisors (see below), whose sum is σ = 137515904064. Its totient is φ = 68724862800.

The previous prime is 103112111119. The next prime is 103112111171. The reversal of 103112111121 is 121111211301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103112111121 - 2¹ = 103112111119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103112111121.

It is not an unprimeable number, because it can be changed into a prime (103112111171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4121605 + ... + 4146546.

It is an arithmetic number, because the mean of its divisors is an integer number (17189488008).

Almost surely, 2^103112111121 is an apocalyptic number.

It is an amenable number.

103112111121 is a deficient number, since it is larger than the sum of its proper divisors (34403792943).

103112111121 is an equidigital number, since it uses as much as digits as its factorization.

103112111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8272311.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 103112111121 its reverse (121111211301), we get a palindrome (224223322422).

The spelling of 103112111121 in words is "one hundred three billion, one hundred twelve million, one hundred eleven thousand, one hundred twenty-one".