213401201122 has 8 divisors (see below), whose sum is σ = 320218083756. Its totient is φ = 106661839872.

The previous prime is 213401201077. The next prime is 213401201131. The reversal of 213401201122 is 221102104312.

It can be written as a sum of positive squares in 2 ways, for example, as 207452009961 + 5949191161 = 455469^2 + 77131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 213401201122.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 19373463 + ... + 19384474.

Almost surely, 2^213401201122 is an apocalyptic number.

213401201122 is a deficient number, since it is larger than the sum of its proper divisors (106816882634).

213401201122 is a wasteful number, since it uses less digits than its factorization.

213401201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38760692.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 213401201122 its reverse (221102104312), we get a palindrome (434503305434).

The spelling of 213401201122 in words is "two hundred thirteen billion, four hundred one million, two hundred one thousand, one hundred twenty-two".