2131011121203 has 12 divisors (see below), whose sum is σ = 3087837359568. Its totient is φ = 1416192457200.

The previous prime is 2131011121163. The next prime is 2131011121231. The reversal of 2131011121203 is 3021211101312.

2131011121203 is a `hidden beast` number, since 21 + 310 + 11 + 121 + 203 = 666.

It is not a de Polignac number, because 2131011121203 - 2¹⁰ = 2131011120179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2131011121243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373465623 + ... + 373471328.

It is an arithmetic number, because the mean of its divisors is an integer number (257319779964).

Almost surely, 2^{2131011121203} is an apocalyptic number.

2131011121203 is a deficient number, since it is larger than the sum of its proper divisors (956826238365).

2131011121203 is a wasteful number, since it uses less digits than its factorization.

2131011121203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746937274 (or 746937271 counting only the distinct ones).

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

Adding to 2131011121203 its reverse (3021211101312), we get a palindrome (5152222222515).

The spelling of 2131011121203 in words is "two trillion, one hundred thirty-one billion, eleven million, one hundred twenty-one thousand, two hundred three".