1124123414221 has 4 divisors (see below), whose sum is σ = 1124150702332. Its totient is φ = 1124096126112.

The previous prime is 1124123414213. The next prime is 1124123414231. The reversal of 1124123414221 is 1224143214211.

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

It can be written as a sum of positive squares in 2 ways, for example, as 231827805225 + 892295608996 = 481485^2 + 944614^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124123414221 - 2³ = 1124123414213 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 1124123414221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124123414201) 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, 13582170 + ... + 13664683.

It is an arithmetic number, because the mean of its divisors is an integer number (281037675583).

Almost surely, 2^{1124123414221} is an apocalyptic number.

It is an amenable number.

1124123414221 is a deficient number, since it is larger than the sum of its proper divisors (27288111).

1124123414221 is an equidigital number, since it uses as much as digits as its factorization.

1124123414221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27288110.

The product of its digits is 3072, while the sum is 28.

Adding to 1124123414221 its reverse (1224143214211), we get a palindrome (2348266628432).

The spelling of 1124123414221 in words is "one trillion, one hundred twenty-four billion, one hundred twenty-three million, four hundred fourteen thousand, two hundred twenty-one".