20112131022003 has 12 divisors (see below), whose sum is σ = 29128740257760. Its totient is φ = 13372140730896.

The previous prime is 20112131021981. The next prime is 20112131022029. The reversal of 20112131022003 is 30022013121102.

20112131022003 is a `hidden beast` number, since 20 + 112 + 1 + 310 + 220 + 0 + 3 = 666.

It is not a de Polignac number, because 20112131022003 - 2¹³ = 20112131013811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112131022103) 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 11 ways as a sum of consecutive naturals, for example, 2995547883 + ... + 2995554596.

It is an arithmetic number, because the mean of its divisors is an integer number (2427395021480).

Almost surely, 2^{20112131022003} is an apocalyptic number.

20112131022003 is a deficient number, since it is larger than the sum of its proper divisors (9016609235757).

20112131022003 is a wasteful number, since it uses less digits than its factorization.

20112131022003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991102858 (or 5991102855 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 20112131022003 its reverse (30022013121102), we get a palindrome (50134144143105).

The spelling of 20112131022003 in words is "twenty trillion, one hundred twelve billion, one hundred thirty-one million, twenty-two thousand, three".