1104421120421 has 4 divisors (see below), whose sum is σ = 1110203430144. Its totient is φ = 1098638810700.

The previous prime is 1104421120399. The next prime is 1104421120423. The reversal of 1104421120421 is 1240211244011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1104421120421 - 2⁶ = 1104421120357 is a prime.

It is a super-2 number, since 2×1104421120421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104421120423) 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, 2891154575 + ... + 2891154956.

It is an arithmetic number, because the mean of its divisors is an integer number (277550857536).

Almost surely, 2^{1104421120421} is an apocalyptic number.

It is an amenable number.

1104421120421 is a deficient number, since it is larger than the sum of its proper divisors (5782309723).

1104421120421 is an equidigital number, since it uses as much as digits as its factorization.

1104421120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782309722.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 1104421120421 its reverse (1240211244011), we get a palindrome (2344632364432).

The spelling of 1104421120421 in words is "one trillion, one hundred four billion, four hundred twenty-one million, one hundred twenty thousand, four hundred twenty-one".