11011101120101 has 4 divisors (see below), whose sum is σ = 11021479161804. Its totient is φ = 11000723078400.

The previous prime is 11011101120091. The next prime is 11011101120109. The reversal of 11011101120101 is 10102110111011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3514462596100 + 7496638524001 = 1874690^2 + 2737999^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011101120101 - 2⁴² = 6613054608997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011101120109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5189019260 + ... + 5189021381.

It is an arithmetic number, because the mean of its divisors is an integer number (2755369790451).

Almost surely, 2^{11011101120101} is an apocalyptic number.

It is an amenable number.

11011101120101 is a deficient number, since it is larger than the sum of its proper divisors (10378041703).

11011101120101 is a wasteful number, since it uses less digits than its factorization.

11011101120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10378041702.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 11011101120101 its reverse (10102110111011), we get a palindrome (21113211231112).

The spelling of 11011101120101 in words is "eleven trillion, eleven billion, one hundred one million, one hundred twenty thousand, one hundred one".