321203112010001 has 16 divisors (see below), whose sum is σ = 361380869902080. Its totient is φ = 283266058975680.

The previous prime is 321203112009977. The next prime is 321203112010003. The reversal of 321203112010001 is 100010211302123.

It is a cyclic number.

It is not a de Polignac number, because 321203112010001 - 2²² = 321203107815697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321203112010003) 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 15 ways as a sum of consecutive naturals, for example, 639950510 + ... + 640452231.

It is an arithmetic number, because the mean of its divisors is an integer number (22586304368880).

Almost surely, 2^{321203112010001} is an apocalyptic number.

It is an amenable number.

321203112010001 is a deficient number, since it is larger than the sum of its proper divisors (40177757892079).

321203112010001 is a wasteful number, since it uses less digits than its factorization.

321203112010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280403616.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 321203112010001 its reverse (100010211302123), we get a palindrome (421213323312124).

The spelling of 321203112010001 in words is "three hundred twenty-one trillion, two hundred three billion, one hundred twelve million, ten thousand, one".