212210001211113 has 6 divisors (see below), whose sum is σ = 306525557304954. Its totient is φ = 141473334140736.

The previous prime is 212210001211067. The next prime is 212210001211127. The reversal of 212210001211113 is 311112100012212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 202041122089689 + 10168879121424 = 14214117^2 + 3188868^2 .

It is not a de Polignac number, because 212210001211113 - 2⁶ = 212210001211049 is a prime.

It is a super-2 number, since 2×212210001211113² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212210001211133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11789444511720 + ... + 11789444511737.

It is an arithmetic number, because the mean of its divisors is an integer number (51087592884159).

Almost surely, 2^{212210001211113} is an apocalyptic number.

It is an amenable number.

212210001211113 is a deficient number, since it is larger than the sum of its proper divisors (94315556093841).

212210001211113 is a wasteful number, since it uses less digits than its factorization.

212210001211113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23578889023463 (or 23578889023460 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 212210001211113 its reverse (311112100012212), we get a palindrome (523322101223325).

The spelling of 212210001211113 in words is "two hundred twelve trillion, two hundred ten billion, one million, two hundred eleven thousand, one hundred thirteen".