211131120411 has 12 divisors (see below), whose sum is σ = 304971370288. Its totient is φ = 140752143504.

The previous prime is 211131120383. The next prime is 211131120439. The reversal of 211131120411 is 114021131112.

211131120411 is a `hidden beast` number, since 2 + 1 + 1 + 131 + 120 + 411 = 666.

It is an interprime number because it is at equal distance from previous prime (211131120383) and next prime (211131120439).

It is a de Polignac number, because none of the positive numbers 2^k-211131120411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211131120481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 888381 + ... + 1100673.

Almost surely, 2^211131120411 is an apocalyptic number.

211131120411 is a deficient number, since it is larger than the sum of its proper divisors (93840249877).

211131120411 is a wasteful number, since it uses less digits than its factorization.

211131120411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322802 (or 322799 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 211131120411 its reverse (114021131112), we get a palindrome (325152251523).

The spelling of 211131120411 in words is "two hundred eleven billion, one hundred thirty-one million, one hundred twenty thousand, four hundred eleven".