2131203011122 has 16 divisors (see below), whose sum is σ = 3244826237472. Its totient is φ = 1049597287200.

The previous prime is 2131203011081. The next prime is 2131203011131. The reversal of 2131203011122 is 2211103021312.

It is a self number, because there is not a number n which added to its sum of digits gives 2131203011122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670393 + ... + 2170675.

It is an arithmetic number, because the mean of its divisors is an integer number (202801639842).

Almost surely, 2^{2131203011122} is an apocalyptic number.

2131203011122 is a deficient number, since it is larger than the sum of its proper divisors (1113623226350).

2131203011122 is a wasteful number, since it uses less digits than its factorization.

2131203011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510953.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2131203011122 its reverse (2211103021312), we get a palindrome (4342306032434).

The spelling of 2131203011122 in words is "two trillion, one hundred thirty-one billion, two hundred three million, eleven thousand, one hundred twenty-two".