1100200101 has 128 divisors (see below), whose sum is σ = 2178441216. Its totient is φ = 474439680.

The previous prime is 1100200091. The next prime is 1100200133. The reversal of 1100200101 is 1010020011.

It is not a de Polignac number, because 1100200101 - 2⁷ = 1100199973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1100200101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100200201) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1173705 + ... + 1174641.

It is an arithmetic number, because the mean of its divisors is an integer number (17019072).

Almost surely, 2^1100200101 is an apocalyptic number.

1100200101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100200101 is a deficient number, since it is larger than the sum of its proper divisors (1078241115).

1100200101 is a wasteful number, since it uses less digits than its factorization.

1100200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011.

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

The square root of 1100200101 is about 33169.2644024555. The cubic root of 1100200101 is about 1032.3427056865.

Adding to 1100200101 its reverse (1010020011), we get a palindrome (2110220112).

It can be divided in two parts, 110020010 and 1, that added together give a palindrome (110020011).

The spelling of 1100200101 in words is "one billion, one hundred million, two hundred thousand, one hundred one".