4103312012121 has 16 divisors (see below), whose sum is σ = 6398076760064. Its totient is φ = 2290220657424.

The previous prime is 4103312012083. The next prime is 4103312012213. The reversal of 4103312012121 is 1212102133014.

It is not a de Polignac number, because 4103312012121 - 2⁶ = 4103312012057 is a prime.

It is a super-3 number, since 3×4103312012121³ (a number of 39 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4103312512121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2272043401 + ... + 2272045206.

It is an arithmetic number, because the mean of its divisors is an integer number (399879797504).

Almost surely, 2^{4103312012121} is an apocalyptic number.

It is an amenable number.

4103312012121 is a deficient number, since it is larger than the sum of its proper divisors (2294764747943).

4103312012121 is a wasteful number, since it uses less digits than its factorization.

4103312012121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544088660.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 4103312012121 its reverse (1212102133014), we get a palindrome (5315414145135).

The spelling of 4103312012121 in words is "four trillion, one hundred three billion, three hundred twelve million, twelve thousand, one hundred twenty-one".