1100201091091 has 16 divisors (see below), whose sum is σ = 1132341009408. Its totient is φ = 1068441264000.

The previous prime is 1100201091089. The next prime is 1100201091107. The reversal of 1100201091091 is 1901901020011.

It is a cyclic number.

It is not a de Polignac number, because 1100201091091 - 2¹ = 1100201091089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100201091391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6164476 + ... + 6340438.

It is an arithmetic number, because the mean of its divisors is an integer number (70771313088).

Almost surely, 2^{1100201091091} is an apocalyptic number.

1100201091091 is a deficient number, since it is larger than the sum of its proper divisors (32139918317).

1100201091091 is a wasteful number, since it uses less digits than its factorization.

1100201091091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177042.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 1100201091091 in words is "one trillion, one hundred billion, two hundred one million, ninety-one thousand, ninety-one".