1100201001 has 8 divisors (see below), whose sum is σ = 1483417440. Its totient is φ = 725225952.

The previous prime is 1100200993. The next prime is 1100201017. The reversal of 1100201001 is 1001020011.

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

It is not a de Polignac number, because 1100201001 - 2³ = 1100200993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1100203001) 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, 2060035 + ... + 2060568.

It is an arithmetic number, because the mean of its divisors is an integer number (185427180).

Almost surely, 2^1100201001 is an apocalyptic number.

It is an amenable number.

1100201001 is a deficient number, since it is larger than the sum of its proper divisors (383216439).

1100201001 is an equidigital number, since it uses as much as digits as its factorization.

1100201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4120695.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 1100201001 is about 33169.2779692293. The cubic root of 1100201001 is about 1032.3429871833.

Adding to 1100201001 its reverse (1001020011), we get a palindrome (2101221012).

The spelling of 1100201001 in words is "one billion, one hundred million, two hundred one thousand, one".