213100220122 has 8 divisors (see below), whose sum is σ = 338453290836. Its totient is φ = 100282456512.

The previous prime is 213100220101. The next prime is 213100220147. The reversal of 213100220122 is 221022001312.

It is a happy number.

213100220122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 213047788041 + 52432081 = 461571^2 + 7241^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 213100220096 and 213100220105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3133826733 + ... + 3133826800.

Almost surely, 2^213100220122 is an apocalyptic number.

213100220122 is a deficient number, since it is larger than the sum of its proper divisors (125353070714).

213100220122 is a wasteful number, since it uses less digits than its factorization.

213100220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267653552.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 213100220122 its reverse (221022001312), we get a palindrome (434122221434).

The spelling of 213100220122 in words is "two hundred thirteen billion, one hundred million, two hundred twenty thousand, one hundred twenty-two".