2142111131204 has 48 divisors (see below), whose sum is σ = 4453159636800. Its totient is φ = 890631907200.

The previous prime is 2142111131197. The next prime is 2142111131221. The reversal of 2142111131204 is 4021311112412.

It is a self number, because there is not a number n which added to its sum of digits gives 2142111131204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44153927 + ... + 44202414.

It is an arithmetic number, because the mean of its divisors is an integer number (92774159100).

Almost surely, 2^{2142111131204} is an apocalyptic number.

It is an amenable number.

2142111131204 is an abundant number, since it is smaller than the sum of its proper divisors (2311048505596).

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

2142111131204 is a wasteful number, since it uses less digits than its factorization.

2142111131204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88356404 (or 88356402 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 2142111131204 its reverse (4021311112412), we get a palindrome (6163422243616).

The spelling of 2142111131204 in words is "two trillion, one hundred forty-two billion, one hundred eleven million, one hundred thirty-one thousand, two hundred four".