1100201001111 has 6 divisors (see below), whose sum is σ = 1589179223840. Its totient is φ = 733467334068.

The previous prime is 1100201001079. The next prime is 1100201001139. The reversal of 1100201001111 is 1111001020011.

It is not a de Polignac number, because 1100201001111 - 2⁵ = 1100201001079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 122244555679 = 1100201001111 / (1 + 1 + 0 + 0 + 2 + 0 + 1 + 0 + 0 + 1 + 1 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100201001093 and 1100201001102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100201001191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61122277831 + ... + 61122277848.

Almost surely, 2^{1100201001111} is an apocalyptic number.

1100201001111 is a deficient number, since it is larger than the sum of its proper divisors (488978222729).

1100201001111 is a wasteful number, since it uses less digits than its factorization.

1100201001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122244555685 (or 122244555682 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1100201001111 its reverse (1111001020011), we get a palindrome (2211202021122).

The spelling of 1100201001111 in words is "one trillion, one hundred billion, two hundred one million, one thousand, one hundred eleven".