11213132101 has 4 divisors (see below), whose sum is σ = 11215671712. Its totient is φ = 11210592492.

The previous prime is 11213132081. The next prime is 11213132111. The reversal of 11213132101 is 10123131211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11213132101 - 2¹⁵ = 11213099333 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 (11213132111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263171 + ... + 1272016.

It is an arithmetic number, because the mean of its divisors is an integer number (2803917928).

Almost surely, 2^11213132101 is an apocalyptic number.

It is an amenable number.

11213132101 is a deficient number, since it is larger than the sum of its proper divisors (2539611).

11213132101 is an equidigital number, since it uses as much as digits as its factorization.

11213132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2539610.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11213132101 its reverse (10123131211), we get a palindrome (21336263312).

The spelling of 11213132101 in words is "eleven billion, two hundred thirteen million, one hundred thirty-two thousand, one hundred one".