213122233330 has 8 divisors (see below), whose sum is σ = 383620020012. Its totient is φ = 85248893328.

The previous prime is 213122233277. The next prime is 213122233433. The reversal of 213122233330 is 33332221312.

It can be written as a sum of positive squares in 2 ways, for example, as 194293179369 + 18829053961 = 440787^2 + 137219^2 .

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 = 213122233295 and 213122233304.

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, 10656111657 + ... + 10656111676.

Almost surely, 2^213122233330 is an apocalyptic number.

213122233330 is a deficient number, since it is larger than the sum of its proper divisors (170497786682).

213122233330 is a wasteful number, since it uses less digits than its factorization.

213122233330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21312223340.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 213122233330 its reverse (33332221312), we get a palindrome (246454454642).

The spelling of 213122233330 in words is "two hundred thirteen billion, one hundred twenty-two million, two hundred thirty-three thousand, three hundred thirty".