11121321101 has 8 divisors (see below), whose sum is σ = 12150121824. Its totient is φ = 10095482320.

The previous prime is 11121321097. The next prime is 11121321131. The reversal of 11121321101 is 10112312111.

11121321101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11121321101 - 2² = 11121321097 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 (11121321131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 732626 + ... + 747651.

It is an arithmetic number, because the mean of its divisors is an integer number (1518765228).

Almost surely, 2^11121321101 is an apocalyptic number.

11121321101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11121321101 is a deficient number, since it is larger than the sum of its proper divisors (1028800723).

11121321101 is a wasteful number, since it uses less digits than its factorization.

11121321101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480971.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11121321101 its reverse (10112312111), we get a palindrome (21233633212).

The spelling of 11121321101 in words is "eleven billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred one".