1100201231101 has 24 divisors (see below), whose sum is σ = 1293302873016. Its totient is φ = 933103503360.

The previous prime is 1100201231081. The next prime is 1100201231111. The reversal of 1100201231101 is 1011321020011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17558900100 + 1082642331001 = 132510^2 + 1040501^2 .

It is not a de Polignac number, because 1100201231101 - 2²⁵ = 1100167676669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100201231111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24127215 + ... + 24172771.

It is an arithmetic number, because the mean of its divisors is an integer number (53887619709).

Almost surely, 2^{1100201231101} is an apocalyptic number.

It is an amenable number.

1100201231101 is a deficient number, since it is larger than the sum of its proper divisors (193101641915).

1100201231101 is an equidigital number, since it uses as much as digits as its factorization.

1100201231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50749 (or 50742 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1100201231101 its reverse (1011321020011), we get a palindrome (2111522251112).

The spelling of 1100201231101 in words is "one trillion, one hundred billion, two hundred one million, two hundred thirty-one thousand, one hundred one".