1321030032201 has 48 divisors (see below), whose sum is σ = 2211159420288. Its totient is φ = 751105497600.

The previous prime is 1321030032193. The next prime is 1321030032221. The reversal of 1321030032201 is 1022300301231.

1321030032201 is a `hidden beast` number, since 1 + 32 + 10 + 300 + 322 + 0 + 1 = 666.

It is not a de Polignac number, because 1321030032201 - 2³ = 1321030032193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1321030032221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 738526 + ... + 1785351.

It is an arithmetic number, because the mean of its divisors is an integer number (46065821256).

Almost surely, 2^{1321030032201} is an apocalyptic number.

1321030032201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1321030032201 is a deficient number, since it is larger than the sum of its proper divisors (890129388087).

1321030032201 is a wasteful number, since it uses less digits than its factorization.

1321030032201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2524222 (or 2524219 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1321030032201 its reverse (1022300301231), we get a palindrome (2343330333432).

The spelling of 1321030032201 in words is "one trillion, three hundred twenty-one billion, thirty million, thirty-two thousand, two hundred one".