1104342102221 has 4 divisors (see below), whose sum is σ = 1104348239712. Its totient is φ = 1104335964732.

The previous prime is 1104342102169. The next prime is 1104342102223. The reversal of 1104342102221 is 1222012434011.

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 a de Polignac number, because none of the positive numbers 2^k-1104342102221 is a prime.

It is a super-2 number, since 2×1104342102221² (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 (1104342102223) 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, 2790431 + ... + 3161516.

It is an arithmetic number, because the mean of its divisors is an integer number (276087059928).

Almost surely, 2^{1104342102221} is an apocalyptic number.

It is an amenable number.

1104342102221 is a deficient number, since it is larger than the sum of its proper divisors (6137491).

1104342102221 is an equidigital number, since it uses as much as digits as its factorization.

1104342102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6137490.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1104342102221 its reverse (1222012434011), we get a palindrome (2326354536232).

The spelling of 1104342102221 in words is "one trillion, one hundred four billion, three hundred forty-two million, one hundred two thousand, two hundred twenty-one".