211211034107 has 4 divisors (see below), whose sum is σ = 211227980040. Its totient is φ = 211194088176.

The previous prime is 211211034091. The next prime is 211211034119. The reversal of 211211034107 is 701430112112.

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 211211034107 - 2⁴ = 211211034091 is a prime.

It is a super-2 number, since 2×211211034107² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211211034157) 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, 8454257 + ... + 8479202.

It is an arithmetic number, because the mean of its divisors is an integer number (52806995010).

Almost surely, 2^211211034107 is an apocalyptic number.

211211034107 is a deficient number, since it is larger than the sum of its proper divisors (16945933).

211211034107 is a wasteful number, since it uses less digits than its factorization.

211211034107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16945932.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 211211034107 its reverse (701430112112), we get a palindrome (912641146219).

The spelling of 211211034107 in words is "two hundred eleven billion, two hundred eleven million, thirty-four thousand, one hundred seven".