211321213234042 has 8 divisors (see below), whose sum is σ = 317144291317632. Its totient is φ = 105606449461500.

The previous prime is 211321213234009. The next prime is 211321213234081. The reversal of 211321213234042 is 240432312123112.

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

It is a junction number, because it is equal to n+sod(n) for n = 211321213233995 and 211321213234013.

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, 27078572884 + ... + 27078580687.

It is an arithmetic number, because the mean of its divisors is an integer number (39643036414704).

Almost surely, 2^{211321213234042} is an apocalyptic number.

211321213234042 is a deficient number, since it is larger than the sum of its proper divisors (105823078083590).

211321213234042 is a wasteful number, since it uses less digits than its factorization.

211321213234042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54157155524.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 211321213234042 its reverse (240432312123112), we get a palindrome (451753525357154).

The spelling of 211321213234042 in words is "two hundred eleven trillion, three hundred twenty-one billion, two hundred thirteen million, two hundred thirty-four thousand, forty-two".