213113222130 has 32 divisors (see below), whose sum is σ = 541558306944. Its totient is φ = 53487239936.

The previous prime is 213113222093. The next prime is 213113222131. The reversal of 213113222130 is 31222311312.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 213113222097 and 213113222106.

It is not an unprimeable number, because it can be changed into a prime (213113222131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208934022 + ... + 208935041.

It is an arithmetic number, because the mean of its divisors is an integer number (16923697092).

Almost surely, 2^213113222130 is an apocalyptic number.

213113222130 is an abundant number, since it is smaller than the sum of its proper divisors (328445084814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213113222130 is a wasteful number, since it uses less digits than its factorization.

213113222130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417869090.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 213113222130 its reverse (31222311312), we get a palindrome (244335533442).

The spelling of 213113222130 in words is "two hundred thirteen billion, one hundred thirteen million, two hundred twenty-two thousand, one hundred thirty".