1100001120201 has 24 divisors (see below), whose sum is σ = 1618990027200. Its totient is φ = 719444053536.

The previous prime is 1100001120173. The next prime is 1100001120287. The reversal of 1100001120201 is 1020211000011.

It is a happy number.

It is not a de Polignac number, because 1100001120201 - 2¹⁵ = 1100001087433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1100001120901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6932980 + ... + 7089866.

It is an arithmetic number, because the mean of its divisors is an integer number (67457917800).

Almost surely, 2^{1100001120201} is an apocalyptic number.

It is an amenable number.

1100001120201 is a deficient number, since it is larger than the sum of its proper divisors (518988906999).

1100001120201 is a wasteful number, since it uses less digits than its factorization.

1100001120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171645 (or 171642 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1100001120201 its reverse (1020211000011), we get a palindrome (2120212120212).

The spelling of 1100001120201 in words is "one trillion, one hundred billion, one million, one hundred twenty thousand, two hundred one".