1104202240021 has 4 divisors (see below), whose sum is σ = 1114521887232. Its totient is φ = 1093882592812.

The previous prime is 1104202239983. The next prime is 1104202240027. The reversal of 1104202240021 is 1200422024011.

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 1104202240021 - 2²⁵ = 1104168685589 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 (1104202240027) 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, 5159823445 + ... + 5159823658.

It is an arithmetic number, because the mean of its divisors is an integer number (278630471808).

Almost surely, 2^{1104202240021} is an apocalyptic number.

It is an amenable number.

1104202240021 is a deficient number, since it is larger than the sum of its proper divisors (10319647211).

1104202240021 is a wasteful number, since it uses less digits than its factorization.

1104202240021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10319647210.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1104202240021 its reverse (1200422024011), we get a palindrome (2304624264032).

The spelling of 1104202240021 in words is "one trillion, one hundred four billion, two hundred two million, two hundred forty thousand, twenty-one".