211231341142 has 16 divisors (see below), whose sum is σ = 339558727392. Its totient is φ = 98293314240.

The previous prime is 211231341109. The next prime is 211231341151. The reversal of 211231341142 is 241143132112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62052159 + ... + 62055562.

It is an arithmetic number, because the mean of its divisors is an integer number (21222420462).

Almost surely, 2^211231341142 is an apocalyptic number.

211231341142 is a deficient number, since it is larger than the sum of its proper divisors (128327386250).

211231341142 is a wasteful number, since it uses less digits than its factorization.

211231341142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124107783.

The product of its digits is 1152, while the sum is 25.

Adding to 211231341142 its reverse (241143132112), we get a palindrome (452374473254).

The spelling of 211231341142 in words is "two hundred eleven billion, two hundred thirty-one million, three hundred forty-one thousand, one hundred forty-two".