211131121342 has 32 divisors (see below), whose sum is σ = 338845109760. Its totient is φ = 98314252800.

The previous prime is 211131121337. The next prime is 211131121349. The reversal of 211131121342 is 243121131112.

211131121342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211131121349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6126243 + ... + 6160609.

It is an arithmetic number, because the mean of its divisors is an integer number (10588909680).

Almost surely, 2^211131121342 is an apocalyptic number.

211131121342 is a deficient number, since it is larger than the sum of its proper divisors (127713988418).

211131121342 is a wasteful number, since it uses less digits than its factorization.

211131121342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36276.

The product of its digits is 288, while the sum is 22.

Adding to 211131121342 its reverse (243121131112), we get a palindrome (454252252454).

The spelling of 211131121342 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred twenty-one thousand, three hundred forty-two".