211334051 has 16 divisors (see below), whose sum is σ = 225054720. Its totient is φ = 198031680.

The previous prime is 211334027. The next prime is 211334059. The reversal of 211334051 is 150433112.

211334051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211334051 is a prime.

It is a super-2 number, since 2×211334051² = 89324162224141202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211334059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320360 + ... + 321018.

It is an arithmetic number, because the mean of its divisors is an integer number (14065920).

Almost surely, 2^211334051 is an apocalyptic number.

211334051 is a deficient number, since it is larger than the sum of its proper divisors (13720669).

211334051 is a wasteful number, since it uses less digits than its factorization.

211334051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 211334051 is about 14537.3330084992. Note that the first 3 decimals coincide. The cubic root of 211334051 is about 595.6481894036.

Adding to 211334051 its reverse (150433112), we get a palindrome (361767163).

The spelling of 211334051 in words is "two hundred eleven million, three hundred thirty-four thousand, fifty-one".