103112113032121 has 8 divisors (see below), whose sum is σ = 105981854845320. Its totient is φ = 100246735847808.

The previous prime is 103112113032107. The next prime is 103112113032151. The reversal of 103112113032121 is 121230311211301.

It can be written as a sum of positive squares in 4 ways, for example, as 81021511428025 + 22090601604096 = 9001195^2 + 4700064^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 103112113032121 - 2²⁵ = 103112079477689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103112113032092 and 103112113032101.

It is not an unprimeable number, because it can be changed into a prime (103112113032151) 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, 1091109316 + ... + 1091203813.

It is an arithmetic number, because the mean of its divisors is an integer number (13247731855665).

Almost surely, 2^{103112113032121} is an apocalyptic number.

It is an amenable number.

103112113032121 is a deficient number, since it is larger than the sum of its proper divisors (2869741813199).

103112113032121 is a wasteful number, since it uses less digits than its factorization.

103112113032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182314443.

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 103112113032121 its reverse (121230311211301), we get a palindrome (224342424243422).

The spelling of 103112113032121 in words is "one hundred three trillion, one hundred twelve billion, one hundred thirteen million, thirty-two thousand, one hundred twenty-one".