2131120230102 has 12 divisors (see below), whose sum is σ = 4617427165260. Its totient is φ = 710373410028.

The previous prime is 2131120230097. The next prime is 2131120230137. The reversal of 2131120230102 is 2010320211312.

2131120230102 is a `hidden beast` number, since 2 + 1 + 311 + 20 + 230 + 102 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 118395568339 = 2131120230102 / (2 + 1 + 3 + 1 + 1 + 2 + 0 + 2 + 3 + 0 + 1 + 0 + 2).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 59197784152 + ... + 59197784187.

It is an arithmetic number, because the mean of its divisors is an integer number (384785597105).

Almost surely, 2^{2131120230102} is an apocalyptic number.

2131120230102 is an abundant number, since it is smaller than the sum of its proper divisors (2486306935158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2131120230102 is a wasteful number, since it uses less digits than its factorization.

2131120230102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118395568347 (or 118395568344 counting only the distinct ones).

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

Adding to 2131120230102 its reverse (2010320211312), we get a palindrome (4141440441414).

The spelling of 2131120230102 in words is "two trillion, one hundred thirty-one billion, one hundred twenty million, two hundred thirty thousand, one hundred two".