211340037125242 has 8 divisors (see below), whose sum is σ = 317056736617632. Its totient is φ = 105654458252700.

The previous prime is 211340037125227. The next prime is 211340037125339. The reversal of 211340037125242 is 242521730043112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×211340037125242² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7780137984 + ... + 7780165147.

It is an arithmetic number, because the mean of its divisors is an integer number (39632092077204).

Almost surely, 2^{211340037125242} is an apocalyptic number.

211340037125242 is a deficient number, since it is larger than the sum of its proper divisors (105716699492390).

211340037125242 is a wasteful number, since it uses less digits than its factorization.

211340037125242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15560309924.

The product of its (nonzero) digits is 80640, while the sum is 37.

Adding to 211340037125242 its reverse (242521730043112), we get a palindrome (453861767168354).

The spelling of 211340037125242 in words is "two hundred eleven trillion, three hundred forty billion, thirty-seven million, one hundred twenty-five thousand, two hundred forty-two".