212101213322 has 4 divisors (see below), whose sum is σ = 318151819986. Its totient is φ = 106050606660.

The previous prime is 212101213283. The next prime is 212101213327. The reversal of 212101213322 is 223312101212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 186115450921 + 25985762401 = 431411^2 + 161201^2 .

It is a junction number, because it is equal to n+sod(n) for n = 212101213294 and 212101213303.

It is not an unprimeable number, because it can be changed into a prime (212101213327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53025303329 + ... + 53025303332.

Almost surely, 2^212101213322 is an apocalyptic number.

212101213322 is a deficient number, since it is larger than the sum of its proper divisors (106050606664).

212101213322 is a wasteful number, since it uses less digits than its factorization.

212101213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106050606663.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 212101213322 its reverse (223312101212), we get a palindrome (435413314534).

The spelling of 212101213322 in words is "two hundred twelve billion, one hundred one million, two hundred thirteen thousand, three hundred twenty-two".