2223100212123 has 16 divisors (see below), whose sum is σ = 3389384199680. Its totient is φ = 1269666881856.

The previous prime is 2223100212107. The next prime is 2223100212161. The reversal of 2223100212123 is 3212120013222.

It is not a de Polignac number, because 2223100212123 - 2⁴ = 2223100212107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 2223100212123.

It is not an unprimeable number, because it can be changed into a prime (2223100212173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28130290 + ... + 28209207.

It is an arithmetic number, because the mean of its divisors is an integer number (211836512480).

Almost surely, 2^{2223100212123} is an apocalyptic number.

2223100212123 is a deficient number, since it is larger than the sum of its proper divisors (1166283987557).

2223100212123 is a wasteful number, since it uses less digits than its factorization.

2223100212123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56341386.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2223100212123 its reverse (3212120013222), we get a palindrome (5435220225345).

The spelling of 2223100212123 in words is "two trillion, two hundred twenty-three billion, one hundred million, two hundred twelve thousand, one hundred twenty-three".