11212212101 has 8 divisors (see below), whose sum is σ = 11337066624. Its totient is φ = 11087629200.

The previous prime is 11212212073. The next prime is 11212212133. The reversal of 11212212101 is 10121221211.

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 11212212101 - 2¹⁴ = 11212195717 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 (11212212901) 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, 15680 + ... + 150566.

It is an arithmetic number, because the mean of its divisors is an integer number (1417133328).

Almost surely, 2^11212212101 is an apocalyptic number.

It is an amenable number.

11212212101 is a deficient number, since it is larger than the sum of its proper divisors (124854523).

11212212101 is a wasteful number, since it uses less digits than its factorization.

11212212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135811.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11212212101 its reverse (10121221211), we get a palindrome (21333433312).

It can be divided in two parts, 1121221210 and 1, that added together give a palindrome (1121221211).

The spelling of 11212212101 in words is "eleven billion, two hundred twelve million, two hundred twelve thousand, one hundred one".