342121004430111 has 12 divisors (see below), whose sum is σ = 494174945772040. Its totient is φ = 228080595037680.

The previous prime is 342121004430089. The next prime is 342121004430167. The reversal of 342121004430111 is 111034400121243.

It is a happy number.

342121004430111 is a `hidden beast` number, since 3 + 4 + 2 + 1 + 2 + 100 + 443 + 0 + 111 = 666.

It is not a de Polignac number, because 342121004430111 - 2³⁹ = 341571248616223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342121004430311) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 45377505 + ... + 52377093.

Almost surely, 2^{342121004430111} is an apocalyptic number.

342121004430111 is a deficient number, since it is larger than the sum of its proper divisors (152053941341929).

342121004430111 is a wasteful number, since it uses less digits than its factorization.

342121004430111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12430406 (or 12430403 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 342121004430111 its reverse (111034400121243), we get a palindrome (453155404551354).

The spelling of 342121004430111 in words is "three hundred forty-two trillion, one hundred twenty-one billion, four million, four hundred thirty thousand, one hundred eleven".