213122110130 has 16 divisors (see below), whose sum is σ = 383788909080. Its totient is φ = 85211263872.

The previous prime is 213122110129. The next prime is 213122110141. The reversal of 213122110130 is 31011221312.

It can be written as a sum of positive squares in 4 ways, for example, as 119716692001 + 93405418129 = 346001^2 + 305623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 213122110099 and 213122110108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4673699 + ... + 4719078.

Almost surely, 2^213122110130 is an apocalyptic number.

213122110130 is a deficient number, since it is larger than the sum of its proper divisors (170666798950).

213122110130 is a wasteful number, since it uses less digits than its factorization.

213122110130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395053.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 213122110130 its reverse (31011221312), we get a palindrome (244133331442).

The spelling of 213122110130 in words is "two hundred thirteen billion, one hundred twenty-two million, one hundred ten thousand, one hundred thirty".