2142111131210 has 16 divisors (see below), whose sum is σ = 4082611803336. Its totient is φ = 806441837568.

The previous prime is 2142111131197. The next prime is 2142111131221. The reversal of 2142111131210 is 121311112412.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2142104469649 + 6661561 = 1463593^2 + 2581^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6300326687 + ... + 6300327026.

Almost surely, 2^{2142111131210} is an apocalyptic number.

2142111131210 is a deficient number, since it is larger than the sum of its proper divisors (1940500672126).

2142111131210 is a wasteful number, since it uses less digits than its factorization.

2142111131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12600653737.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 2142111131210 its reverse (121311112412), we get a palindrome (2263422243622).

The spelling of 2142111131210 in words is "two trillion, one hundred forty-two billion, one hundred eleven million, one hundred thirty-one thousand, two hundred ten".