2124221211223 has 4 divisors (see below), whose sum is σ = 2129767481088. Its totient is φ = 2118674941360.

The previous prime is 2124221211131. The next prime is 2124221211247. The reversal of 2124221211223 is 3221121224212.

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 2124221211223 - 2¹⁷ = 2124221080151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124221211253) 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, 2773134358 + ... + 2773135123.

It is an arithmetic number, because the mean of its divisors is an integer number (532441870272).

Almost surely, 2^{2124221211223} is an apocalyptic number.

2124221211223 is a deficient number, since it is larger than the sum of its proper divisors (5546269865).

2124221211223 is an equidigital number, since it uses as much as digits as its factorization.

2124221211223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5546269864.

The product of its digits is 1536, while the sum is 25.

Adding to 2124221211223 its reverse (3221121224212), we get a palindrome (5345342435435).

The spelling of 2124221211223 in words is "two trillion, one hundred twenty-four billion, two hundred twenty-one million, two hundred eleven thousand, two hundred twenty-three".