1204404402101 has 4 divisors (see below), whose sum is σ = 1256769810912. Its totient is φ = 1152038993292.

The previous prime is 1204404402067. The next prime is 1204404402137. The reversal of 1204404402101 is 1012044044021.

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-1204404402101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 52365408787 = 1204404402101 / (1 + 2 + 0 + 4 + 4 + 0 + 4 + 4 + 0 + 2 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204404492101) 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, 26182704371 + ... + 26182704416.

It is an arithmetic number, because the mean of its divisors is an integer number (314192452728).

Almost surely, 2^{1204404402101} is an apocalyptic number.

It is an amenable number.

1204404402101 is a deficient number, since it is larger than the sum of its proper divisors (52365408811).

1204404402101 is an equidigital number, since it uses as much as digits as its factorization.

1204404402101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52365408810.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 1204404402101 its reverse (1012044044021), we get a palindrome (2216448446122).

The spelling of 1204404402101 in words is "one trillion, two hundred four billion, four hundred four million, four hundred two thousand, one hundred one".