220211230123 has 4 divisors (see below), whose sum is σ = 220215991968. Its totient is φ = 220206468280.

The previous prime is 220211230111. The next prime is 220211230189. The reversal of 220211230123 is 321032112022.

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

It is a cyclic number.

It is not a de Polignac number, because 220211230123 - 2¹³ = 220211221931 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 220211230123.

It is not an unprimeable number, because it can be changed into a prime (220211230223) 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, 2310868 + ... + 2404273.

It is an arithmetic number, because the mean of its divisors is an integer number (55053997992).

Almost surely, 2^220211230123 is an apocalyptic number.

220211230123 is a deficient number, since it is larger than the sum of its proper divisors (4761845).

220211230123 is an equidigital number, since it uses as much as digits as its factorization.

220211230123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761844.

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

Adding to 220211230123 its reverse (321032112022), we get a palindrome (541243342145).

The spelling of 220211230123 in words is "two hundred twenty billion, two hundred eleven million, two hundred thirty thousand, one hundred twenty-three".