130221022123 has 4 divisors (see below), whose sum is σ = 134421700288. Its totient is φ = 126020343960.

The previous prime is 130221022079. The next prime is 130221022153. The reversal of 130221022123 is 321220122031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130221022123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130221022123.

It is not an unprimeable number, because it can be changed into a prime (130221022153) 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, 2100339036 + ... + 2100339097.

It is an arithmetic number, because the mean of its divisors is an integer number (33605425072).

Almost surely, 2^130221022123 is an apocalyptic number.

130221022123 is a deficient number, since it is larger than the sum of its proper divisors (4200678165).

130221022123 is an equidigital number, since it uses as much as digits as its factorization.

130221022123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200678164.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 130221022123 its reverse (321220122031), we get a palindrome (451441144154).

The spelling of 130221022123 in words is "one hundred thirty billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty-three".