1331332100201 has 8 divisors (see below), whose sum is σ = 1410646236840. Its totient is φ = 1252129128448.

The previous prime is 1331332100177. The next prime is 1331332100207. The reversal of 1331332100201 is 1020012331331.

It can be written as a sum of positive squares in 4 ways, for example, as 141812496400 + 1189519603801 = 376580^2 + 1090651^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1331332100201 is a prime.

It is a super-2 number, since 2×1331332100201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1331332100207) 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, 27766556 + ... + 27814461.

It is an arithmetic number, because the mean of its divisors is an integer number (176330779605).

Almost surely, 2^{1331332100201} is an apocalyptic number.

It is an amenable number.

1331332100201 is a deficient number, since it is larger than the sum of its proper divisors (79314136639).

1331332100201 is a wasteful number, since it uses less digits than its factorization.

1331332100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55582443.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 1331332100201 its reverse (1020012331331), we get a palindrome (2351344431532).

The spelling of 1331332100201 in words is "one trillion, three hundred thirty-one billion, three hundred thirty-two million, one hundred thousand, two hundred one".