2220210221123 has 4 divisors (see below), whose sum is σ = 2220249844008. Its totient is φ = 2220170598240.

The previous prime is 2220210221113. The next prime is 2220210221167. The reversal of 2220210221123 is 3211220120222.

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 2220210221123 - 2⁶ = 2220210221059 is a prime.

It is a super-2 number, since 2×2220210221123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220210221095 and 2220210221104.

It is not an unprimeable number, because it can be changed into a prime (2220210221113) 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, 19727273 + ... + 19839498.

It is an arithmetic number, because the mean of its divisors is an integer number (555062461002).

Almost surely, 2^{2220210221123} is an apocalyptic number.

2220210221123 is a deficient number, since it is larger than the sum of its proper divisors (39622885).

2220210221123 is an equidigital number, since it uses as much as digits as its factorization.

2220210221123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39622884.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 2220210221123 its reverse (3211220120222), we get a palindrome (5431430341345).

The spelling of 2220210221123 in words is "two trillion, two hundred twenty billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-three".