211222413413 has 16 divisors (see below), whose sum is σ = 250915924800. Its totient is φ = 175641137280.

The previous prime is 211222413397. The next prime is 211222413461. The reversal of 211222413413 is 314314222112.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 211222413413 - 2⁴ = 211222413397 is a prime.

It is a super-2 number, since 2×211222413413² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222413473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17418656 + ... + 17430777.

It is an arithmetic number, because the mean of its divisors is an integer number (15682245300).

Almost surely, 2^211222413413 is an apocalyptic number.

It is an amenable number.

211222413413 is a deficient number, since it is larger than the sum of its proper divisors (39693511387).

211222413413 is a wasteful number, since it uses less digits than its factorization.

211222413413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34849492.

The product of its digits is 2304, while the sum is 26.

Adding to 211222413413 its reverse (314314222112), we get a palindrome (525536635525).

The spelling of 211222413413 in words is "two hundred eleven billion, two hundred twenty-two million, four hundred thirteen thousand, four hundred thirteen".