1111020011101 has 64 divisors (see below), whose sum is σ = 1499874969600. Its totient is φ = 794774073600.

The previous prime is 1111020011099. The next prime is 1111020011147. The reversal of 1111020011101 is 1011100201111.

It is not a de Polignac number, because 1111020011101 - 2¹ = 1111020011099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111020011701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 268425090 + ... + 268429228.

It is an arithmetic number, because the mean of its divisors is an integer number (23435546400).

Almost surely, 2^{1111020011101} is an apocalyptic number.

1111020011101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111020011101 is a deficient number, since it is larger than the sum of its proper divisors (388854958499).

1111020011101 is a wasteful number, since it uses less digits than its factorization.

1111020011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5570.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1111020011101 its reverse (1011100201111), we get a palindrome (2122120212212).

The spelling of 1111020011101 in words is "one trillion, one hundred eleven billion, twenty million, eleven thousand, one hundred one".