211443401134 has 32 divisors (see below), whose sum is σ = 362974268160. Its totient is φ = 90493733952.

The previous prime is 211443401123. The next prime is 211443401189. The reversal of 211443401134 is 431104344112.

It is a super-2 number, since 2×211443401134² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48728737 + ... + 48733075.

It is an arithmetic number, because the mean of its divisors is an integer number (11342945880).

Almost surely, 2^211443401134 is an apocalyptic number.

211443401134 is a deficient number, since it is larger than the sum of its proper divisors (151530867026).

211443401134 is a wasteful number, since it uses less digits than its factorization.

211443401134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 211443401134 its reverse (431104344112), we get a palindrome (642547745246).

The spelling of 211443401134 in words is "two hundred eleven billion, four hundred forty-three million, four hundred one thousand, one hundred thirty-four".