1202100400321 has 8 divisors (see below), whose sum is σ = 1206339070464. Its totient is φ = 1197867163440.

The previous prime is 1202100400217. The next prime is 1202100400351. The reversal of 1202100400321 is 1230040012021.

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 1202100400321 - 2⁹ = 1202100399809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1202100400295 and 1202100400304.

It is not an unprimeable number, because it can be changed into a prime (1202100400351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 914785 + ... + 1800286.

It is an arithmetic number, because the mean of its divisors is an integer number (150792383808).

Almost surely, 2^{1202100400321} is an apocalyptic number.

It is an amenable number.

1202100400321 is a deficient number, since it is larger than the sum of its proper divisors (4238670143).

1202100400321 is a wasteful number, since it uses less digits than its factorization.

1202100400321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716631.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1202100400321 its reverse (1230040012021), we get a palindrome (2432140412342).

The spelling of 1202100400321 in words is "one trillion, two hundred two billion, one hundred million, four hundred thousand, three hundred twenty-one".