1101100101102 has 64 divisors (see below), whose sum is σ = 2489748883200. Its totient is φ = 360611339040.

The previous prime is 1101100101091. The next prime is 1101100101109. The reversal of 1101100101102 is 2011010011011.

It is a super-2 number, since 2×1101100101102² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101100101109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5674428 + ... + 5865264.

It is an arithmetic number, because the mean of its divisors is an integer number (38902326300).

Almost surely, 2^{1101100101102} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101100101102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244874441600).

1101100101102 is an abundant number, since it is smaller than the sum of its proper divisors (1388648782098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101100101102 is a wasteful number, since it uses less digits than its factorization.

1101100101102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192718 (or 192712 counting only the distinct ones).

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

Adding to 1101100101102 its reverse (2011010011011), we get a palindrome (3112110112113).

Subtracting 1101100101102 from its reverse (2011010011011), we obtain a palindrome (909909909909).

The spelling of 1101100101102 in words is "one trillion, one hundred one billion, one hundred million, one hundred one thousand, one hundred two".