2131222131203 has 12 divisors (see below), whose sum is σ = 2342619237840. Its totient is φ = 1937444696880.

The previous prime is 2131222131191. The next prime is 2131222131221. The reversal of 2131222131203 is 3021312221312.

It is not a de Polignac number, because 2131222131203 - 2⁶ = 2131222131139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2137222131203) 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, 12685313 + ... + 12852221.

It is an arithmetic number, because the mean of its divisors is an integer number (195218269820).

Almost surely, 2^{2131222131203} is an apocalyptic number.

2131222131203 is a deficient number, since it is larger than the sum of its proper divisors (211397106637).

2131222131203 is a wasteful number, since it uses less digits than its factorization.

2131222131203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272458 (or 272447 counting only the distinct ones).

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

Adding to 2131222131203 its reverse (3021312221312), we get a palindrome (5152534352515).

The spelling of 2131222131203 in words is "two trillion, one hundred thirty-one billion, two hundred twenty-two million, one hundred thirty-one thousand, two hundred three".