11212031101 has 8 divisors (see below), whose sum is σ = 11374159104. Its totient is φ = 11050020240.

The previous prime is 11212031057. The next prime is 11212031107. The reversal of 11212031101 is 10113021211.

It is a happy number.

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 11212031101 - 2⁹ = 11212030589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212031107) 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, 173596 + ... + 229258.

It is an arithmetic number, because the mean of its divisors is an integer number (1421769888).

Almost surely, 2^11212031101 is an apocalyptic number.

It is an amenable number.

11212031101 is a deficient number, since it is larger than the sum of its proper divisors (162128003).

11212031101 is an equidigital number, since it uses as much as digits as its factorization.

11212031101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58571.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11212031101 its reverse (10113021211), we get a palindrome (21325052312).

The spelling of 11212031101 in words is "eleven billion, two hundred twelve million, thirty-one thousand, one hundred one".