5130111221442 has 12 divisors (see below), whose sum is σ = 11115240979830. Its totient is φ = 1710037073808.

The previous prime is 5130111221429. The next prime is 5130111221483. The reversal of 5130111221442 is 2441221110315.

5130111221442 is a `hidden beast` number, since 513 + 0 + 1 + 1 + 1 + 2 + 2 + 144 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5123744617761 + 6366603681 = 2263569^2 + 79791^2 .

It is a super-2 number, since 2×5130111221442² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 142503089467 + ... + 142503089502.

Almost surely, 2^{5130111221442} is an apocalyptic number.

5130111221442 is an abundant number, since it is smaller than the sum of its proper divisors (5985129758388).

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

5130111221442 is a wasteful number, since it uses less digits than its factorization.

5130111221442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285006178977 (or 285006178974 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 5130111221442 its reverse (2441221110315), we get a palindrome (7571332331757).

It can be divided in two parts, 513011 and 1221442, that added together give a triangular number (1734453 = T₁₈₆₂).

The spelling of 5130111221442 in words is "five trillion, one hundred thirty billion, one hundred eleven million, two hundred twenty-one thousand, four hundred forty-two".