1201100104021 has 8 divisors (see below), whose sum is σ = 1202526616160. Its totient is φ = 1199673818928.

The previous prime is 1201100103997. The next prime is 1201100104027. The reversal of 1201100104021 is 1204010011021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1201100104021 - 2¹³ = 1201100095829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201100103992 and 1201100104010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201100104027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12048835 + ... + 12148111.

It is an arithmetic number, because the mean of its divisors is an integer number (150315827020).

Almost surely, 2^{1201100104021} is an apocalyptic number.

It is an amenable number.

1201100104021 is a deficient number, since it is larger than the sum of its proper divisors (1426512139).

1201100104021 is an equidigital number, since it uses as much as digits as its factorization.

1201100104021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113523.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1201100104021 its reverse (1204010011021), we get a palindrome (2405110115042).

The spelling of 1201100104021 in words is "one trillion, two hundred one billion, one hundred million, one hundred four thousand, twenty-one".