11011212101 has 8 divisors (see below), whose sum is σ = 11990431200. Its totient is φ = 10071961200.

The previous prime is 11011212097. The next prime is 11011212127. The reversal of 11011212101 is 10121211011.

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 11011212101 - 2² = 11011212097 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 (11011212151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9991475 + ... + 9992576.

It is an arithmetic number, because the mean of its divisors is an integer number (1498803900).

Almost surely, 2^11011212101 is an apocalyptic number.

It is an amenable number.

11011212101 is a deficient number, since it is larger than the sum of its proper divisors (979219099).

11011212101 is a wasteful number, since it uses less digits than its factorization.

11011212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19984099.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11011212101 its reverse (10121211011), we get a palindrome (21132423112).

The spelling of 11011212101 in words is "eleven billion, eleven million, two hundred twelve thousand, one hundred one".