2133203142242 has 4 divisors (see below), whose sum is σ = 3199804713366. Its totient is φ = 1066601571120.

The previous prime is 2133203142233. The next prime is 2133203142293. The reversal of 2133203142242 is 2422413023312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2132858705761 + 344436481 = 1460431^2 + 18559^2 .

It is a super-2 number, since 2×2133203142242² (a number of 25 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 533300785559 + ... + 533300785562.

Almost surely, 2^{2133203142242} is an apocalyptic number.

2133203142242 is a deficient number, since it is larger than the sum of its proper divisors (1066601571124).

2133203142242 is a wasteful number, since it uses less digits than its factorization.

2133203142242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066601571123.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2133203142242 its reverse (2422413023312), we get a palindrome (4555616165554).

The spelling of 2133203142242 in words is "two trillion, one hundred thirty-three billion, two hundred three million, one hundred forty-two thousand, two hundred forty-two".