211342113442 has 32 divisors (see below), whose sum is σ = 337818600000. Its totient is φ = 98816759808.

The previous prime is 211342113439. The next prime is 211342113449. The reversal of 211342113442 is 244311243112.

It is a happy number.

211342113442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 211342113442.

It is not an unprimeable number, because it can be changed into a prime (211342113449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7587513 + ... + 7615315.

It is an arithmetic number, because the mean of its divisors is an integer number (10556831250).

Almost surely, 2^211342113442 is an apocalyptic number.

211342113442 is a deficient number, since it is larger than the sum of its proper divisors (126476486558).

211342113442 is a wasteful number, since it uses less digits than its factorization.

211342113442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29250.

The product of its digits is 4608, while the sum is 28.

Adding to 211342113442 its reverse (244311243112), we get a palindrome (455653356554).

The spelling of 211342113442 in words is "two hundred eleven billion, three hundred forty-two million, one hundred thirteen thousand, four hundred forty-two".