211131443002 has 4 divisors (see below), whose sum is σ = 316697164506. Its totient is φ = 105565721500.

The previous prime is 211131442927. The next prime is 211131443119. The reversal of 211131443002 is 200344131112.

211131443002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 211130141121 + 1301881 = 459489^2 + 1141^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52782860749 + ... + 52782860752.

Almost surely, 2^211131443002 is an apocalyptic number.

211131443002 is a deficient number, since it is larger than the sum of its proper divisors (105565721504).

211131443002 is a wasteful number, since it uses less digits than its factorization.

211131443002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105565721503.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 211131443002 its reverse (200344131112), we get a palindrome (411475574114).

The spelling of 211131443002 in words is "two hundred eleven billion, one hundred thirty-one million, four hundred forty-three thousand, two".