2220220210123 has 4 divisors (see below), whose sum is σ = 2220244907400. Its totient is φ = 2220195512848.

The previous prime is 2220220210097. The next prime is 2220220210151. The reversal of 2220220210123 is 3210120220222.

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 2220220210123 - 2⁹ = 2220220209611 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 2220220210123.

It is not an unprimeable number, because it can be changed into a prime (2220220210183) 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, 12213298 + ... + 12393751.

It is an arithmetic number, because the mean of its divisors is an integer number (555061226850).

Almost surely, 2^{2220220210123} is an apocalyptic number.

2220220210123 is a deficient number, since it is larger than the sum of its proper divisors (24697277).

2220220210123 is an equidigital number, since it uses as much as digits as its factorization.

2220220210123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24697276.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 2220220210123 its reverse (3210120220222), we get a palindrome (5430340430345).

The spelling of 2220220210123 in words is "two trillion, two hundred twenty billion, two hundred twenty million, two hundred ten thousand, one hundred twenty-three".