211422013 has 16 divisors (see below), whose sum is σ = 249898176. Its totient is φ = 176682240.

The previous prime is 211422011. The next prime is 211422019. The reversal of 211422013 is 310224112.

211422013 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 not a de Polignac number, because 211422013 - 2¹ = 211422011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211422011) 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, 5106 + ... + 21187.

It is an arithmetic number, because the mean of its divisors is an integer number (15618636).

Almost surely, 2^211422013 is an apocalyptic number.

It is an amenable number.

211422013 is a deficient number, since it is larger than the sum of its proper divisors (38476163).

211422013 is a wasteful number, since it uses less digits than its factorization.

211422013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26364.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 211422013 is about 14540.3580767463. The cubic root of 211422013 is about 595.7308186789.

Adding to 211422013 its reverse (310224112), we get a palindrome (521646125).

It can be divided in two parts, 211 and 422013, that added together give a palindrome (422224).

The spelling of 211422013 in words is "two hundred eleven million, four hundred twenty-two thousand, thirteen".