211131120432 has 20 divisors (see below), whose sum is σ = 545422061240. Its totient is φ = 70377040128.

The previous prime is 211131120383. The next prime is 211131120439. The reversal of 211131120432 is 234021131112.

It is a junction number, because it is equal to n+sod(n) for n = 211131120399 and 211131120408.

It is not an unprimeable number, because it can be changed into a prime (211131120439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2199282457 + ... + 2199282552.

It is an arithmetic number, because the mean of its divisors is an integer number (27271103062).

Almost surely, 2^211131120432 is an apocalyptic number.

It is an amenable number.

211131120432 is an abundant number, since it is smaller than the sum of its proper divisors (334290940808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211131120432 is a wasteful number, since it uses less digits than its factorization.

211131120432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398565020 (or 4398565014 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 211131120432 its reverse (234021131112), we get a palindrome (445152251544).

The spelling of 211131120432 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred twenty thousand, four hundred thirty-two".