20223310121 has 4 divisors (see below), whose sum is σ = 23112354432. Its totient is φ = 17334265812.

The previous prime is 20223310097. The next prime is 20223310157. The reversal of 20223310121 is 12101332202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20223310121 - 2⁶ = 20223310057 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 20223310121.

It is not an unprimeable number, because it can be changed into a prime (20223310181) 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, 1444522145 + ... + 1444522158.

It is an arithmetic number, because the mean of its divisors is an integer number (5778088608).

Almost surely, 2^20223310121 is an apocalyptic number.

It is an amenable number.

20223310121 is a deficient number, since it is larger than the sum of its proper divisors (2889044311).

20223310121 is an equidigital number, since it uses as much as digits as its factorization.

20223310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889044310.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20223310121 its reverse (12101332202), we get a palindrome (32324642323).

The spelling of 20223310121 in words is "twenty billion, two hundred twenty-three million, three hundred ten thousand, one hundred twenty-one".