2142111281282 has 16 divisors (see below), whose sum is σ = 3716434032192. Its totient is φ = 906986875920.

The previous prime is 2142111281263. The next prime is 2142111281309. The reversal of 2142111281282 is 2821821112412.

It is a super-2 number, since 2×2142111281282² (a number of 25 digits) contains 22 as substring.

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, 921733469 + ... + 921735792.

It is an arithmetic number, because the mean of its divisors is an integer number (232277127012).

Almost surely, 2^{2142111281282} is an apocalyptic number.

2142111281282 is a deficient number, since it is larger than the sum of its proper divisors (1574322750910).

2142111281282 is a wasteful number, since it uses less digits than its factorization.

2142111281282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843469353.

The product of its digits is 8192, while the sum is 35.

Adding to 2142111281282 its reverse (2821821112412), we get a palindrome (4963932393694).

The spelling of 2142111281282 in words is "two trillion, one hundred forty-two billion, one hundred eleven million, two hundred eighty-one thousand, two hundred eighty-two".