2131322221103 has 32 divisors (see below), whose sum is σ = 2334442586112. Its totient is φ = 1937120832000.

The previous prime is 2131322221099. The next prime is 2131322221139. The reversal of 2131322221103 is 3011222231312.

It is a cyclic number.

It is not a de Polignac number, because 2131322221103 - 2² = 2131322221099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131322221153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 747568628 + ... + 747571478.

It is an arithmetic number, because the mean of its divisors is an integer number (72951330816).

Almost surely, 2^{2131322221103} is an apocalyptic number.

2131322221103 is a deficient number, since it is larger than the sum of its proper divisors (203120365009).

2131322221103 is a wasteful number, since it uses less digits than its factorization.

2131322221103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2131322221103 its reverse (3011222231312), we get a palindrome (5142544452415).

The spelling of 2131322221103 in words is "two trillion, one hundred thirty-one billion, three hundred twenty-two million, two hundred twenty-one thousand, one hundred three".