201332100001 has 4 divisors (see below), whose sum is σ = 207826683904. Its totient is φ = 194837516100.

The previous prime is 201332099981. The next prime is 201332100031. The reversal of 201332100001 is 100001233102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100001233102 = 2 ⋅50000616551.

It is a cyclic number.

It is not a de Polignac number, because 201332100001 - 2¹⁹ = 201331575713 is a prime.

It is a super-2 number, since 2×201332100001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201332100031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3247291905 + ... + 3247291966.

It is an arithmetic number, because the mean of its divisors is an integer number (51956670976).

Almost surely, 2^201332100001 is an apocalyptic number.

It is an amenable number.

201332100001 is a deficient number, since it is larger than the sum of its proper divisors (6494583903).

201332100001 is an equidigital number, since it uses as much as digits as its factorization.

201332100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6494583902.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 201332100001 its reverse (100001233102), we get a palindrome (301333333103).

The spelling of 201332100001 in words is "two hundred one billion, three hundred thirty-two million, one hundred thousand, one".