212222213301 has 16 divisors (see below), whose sum is σ = 323396530304. Its totient is φ = 121265973504.

The previous prime is 212222213299. The next prime is 212222213323. The reversal of 212222213301 is 103312222212.

It is not a de Polignac number, because 212222213301 - 2¹ = 212222213299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 (212222211301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597081 + ... + 883713.

It is an arithmetic number, because the mean of its divisors is an integer number (20212283144).

Almost surely, 2^212222213301 is an apocalyptic number.

212222213301 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

212222213301 is a deficient number, since it is larger than the sum of its proper divisors (111174317003).

212222213301 is a wasteful number, since it uses less digits than its factorization.

212222213301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321900.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 212222213301 its reverse (103312222212), we get a palindrome (315534435513).

The spelling of 212222213301 in words is "two hundred twelve billion, two hundred twenty-two million, two hundred thirteen thousand, three hundred one".