211142011411 has 4 divisors (see below), whose sum is σ = 211159471824. Its totient is φ = 211124551000.

The previous prime is 211142011403. The next prime is 211142011427. The reversal of 211142011411 is 114110241112.

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

It is a cyclic number.

It is not a de Polignac number, because 211142011411 - 2³ = 211142011403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211142011471) 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, 8712055 + ... + 8736256.

It is an arithmetic number, because the mean of its divisors is an integer number (52789867956).

Almost surely, 2^211142011411 is an apocalyptic number.

211142011411 is a deficient number, since it is larger than the sum of its proper divisors (17460413).

211142011411 is a wasteful number, since it uses less digits than its factorization.

211142011411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17460412.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 211142011411 its reverse (114110241112), we get a palindrome (325252252523).

The spelling of 211142011411 in words is "two hundred eleven billion, one hundred forty-two million, eleven thousand, four hundred eleven".