2131012112103 has 12 divisors (see below), whose sum is σ = 3517861264528. Its totient is φ = 1217721206880.

The previous prime is 2131012112077. The next prime is 2131012112189. The reversal of 2131012112103 is 3012112101312.

2131012112103 is a `hidden beast` number, since 21 + 310 + 121 + 1 + 210 + 3 = 666.

It is not a de Polignac number, because 2131012112103 - 2¹³ = 2131012103911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131012117103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16912794478 + ... + 16912794603.

Almost surely, 2^{2131012112103} is an apocalyptic number.

2131012112103 is a deficient number, since it is larger than the sum of its proper divisors (1386849152425).

2131012112103 is a wasteful number, since it uses less digits than its factorization.

2131012112103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33825589094 (or 33825589091 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2131012112103 its reverse (3012112101312), we get a palindrome (5143124213415).

The spelling of 2131012112103 in words is "two trillion, one hundred thirty-one billion, twelve million, one hundred twelve thousand, one hundred three".