211242331142 has 8 divisors (see below), whose sum is σ = 319770501600. Its totient is φ = 104652163944.

The previous prime is 211242331103. The next prime is 211242331159. The reversal of 211242331142 is 241133242112.

It is a happy number.

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

It is a congruent number.

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, 484500542 + ... + 484500977.

It is an arithmetic number, because the mean of its divisors is an integer number (39971312700).

Almost surely, 2^211242331142 is an apocalyptic number.

211242331142 is a deficient number, since it is larger than the sum of its proper divisors (108528170458).

211242331142 is a wasteful number, since it uses less digits than its factorization.

211242331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969001630.

The product of its digits is 2304, while the sum is 26.

Adding to 211242331142 its reverse (241133242112), we get a palindrome (452375573254).

The spelling of 211242331142 in words is "two hundred eleven billion, two hundred forty-two million, three hundred thirty-one thousand, one hundred forty-two".