11101212101101 has 8 divisors (see below), whose sum is σ = 11129075772984. Its totient is φ = 11073349324800.

The previous prime is 11101212101041. The next prime is 11101212101117. The reversal of 11101212101101 is 10110121210111.

It can be written as a sum of positive squares in 4 ways, for example, as 6804820046025 + 4296392055076 = 2608605^2 + 2072774^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11101212101101 - 2⁷ = 11101212100973 is a prime.

It is a super-2 number, since 2×11101212101101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101212101171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29558371 + ... + 29931583.

It is an arithmetic number, because the mean of its divisors is an integer number (1391134471623).

Almost surely, 2^{11101212101101} is an apocalyptic number.

It is an amenable number.

11101212101101 is a deficient number, since it is larger than the sum of its proper divisors (27863671883).

11101212101101 is an equidigital number, since it uses as much as digits as its factorization.

11101212101101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447791.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11101212101101 its reverse (10110121210111), we get a palindrome (21211333311212).

It can be divided in two parts, 1110121210110 and 1, that added together give a palindrome (1110121210111).

The spelling of 11101212101101 in words is "eleven trillion, one hundred one billion, two hundred twelve million, one hundred one thousand, one hundred one".