542111355122 has 4 divisors (see below), whose sum is σ = 813167032686. Its totient is φ = 271055677560.

The previous prime is 542111355103. The next prime is 542111355133. The reversal of 542111355122 is 221553111245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221553111245 = 5 ⋅44310622249.

It can be written as a sum of positive squares in only one way, i.e., 460293045601 + 81818309521 = 678449^2 + 286039^2 .

It is a super-2 number, since 2×542111355122² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135527838779 + ... + 135527838782.

Almost surely, 2^542111355122 is an apocalyptic number.

542111355122 is a deficient number, since it is larger than the sum of its proper divisors (271055677564).

542111355122 is a wasteful number, since it uses less digits than its factorization.

542111355122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271055677563.

The product of its digits is 12000, while the sum is 32.

Adding to 542111355122 its reverse (221553111245), we get a palindrome (763664466367).

The spelling of 542111355122 in words is "five hundred forty-two billion, one hundred eleven million, three hundred fifty-five thousand, one hundred twenty-two".