213221110123130 has 8 divisors (see below), whose sum is σ = 383797998221652. Its totient is φ = 85288444049248.

The previous prime is 213221110123123. The next prime is 213221110123139. The reversal of 213221110123130 is 31321011122312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 211810096367809 + 1411013755321 = 14553697^2 + 1187861^2 .

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 = 213221110123096 and 213221110123105.

It is not an unprimeable number, because it can be changed into a prime (213221110123139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10661055506147 + ... + 10661055506166.

Almost surely, 2^{213221110123130} is an apocalyptic number.

213221110123130 is a deficient number, since it is larger than the sum of its proper divisors (170576888098522).

213221110123130 is a wasteful number, since it uses less digits than its factorization.

213221110123130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21322111012320.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 213221110123130 its reverse (31321011122312), we get a palindrome (244542121245442).

The spelling of 213221110123130 in words is "two hundred thirteen trillion, two hundred twenty-one billion, one hundred ten million, one hundred twenty-three thousand, one hundred thirty".