2223134304121 has 4 divisors (see below), whose sum is σ = 2253588198772. Its totient is φ = 2192680409472.

The previous prime is 2223134304109. The next prime is 2223134304133. The reversal of 2223134304121 is 1214034313222.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2223134304109) and next prime (2223134304133).

It can be written as a sum of positive squares in 2 ways, for example, as 1893956716521 + 329177587600 = 1376211^2 + 573740^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223134304121 - 2⁵ = 2223134304089 is a prime.

It is a super-2 number, since 2×2223134304121² (a number of 25 digits) contains 22 as substring.

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 2223134304121.

It is not an unprimeable number, because it can be changed into a prime (2223134304821) 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, 15226947216 + ... + 15226947361.

It is an arithmetic number, because the mean of its divisors is an integer number (563397049693).

Almost surely, 2^{2223134304121} is an apocalyptic number.

It is an amenable number.

2223134304121 is a deficient number, since it is larger than the sum of its proper divisors (30453894651).

2223134304121 is an equidigital number, since it uses as much as digits as its factorization.

2223134304121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30453894650.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 2223134304121 its reverse (1214034313222), we get a palindrome (3437168617343).

The spelling of 2223134304121 in words is "two trillion, two hundred twenty-three billion, one hundred thirty-four million, three hundred four thousand, one hundred twenty-one".