11231101009 has 4 divisors (see below), whose sum is σ = 11257159680. Its totient is φ = 11205042340.

The previous prime is 11231100973. The next prime is 11231101081. The reversal of 11231101009 is 90010113211.

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 11231101009 - 2¹¹ = 11231098961 is a prime.

It is a super-2 number, since 2×11231101009² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11231101099) 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, 13028689 + ... + 13029550.

It is an arithmetic number, because the mean of its divisors is an integer number (2814289920).

Almost surely, 2^11231101009 is an apocalyptic number.

It is an amenable number.

11231101009 is a deficient number, since it is larger than the sum of its proper divisors (26058671).

11231101009 is an equidigital number, since it uses as much as digits as its factorization.

11231101009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26058670.

The product of its (nonzero) digits is 54, while the sum is 19.

The spelling of 11231101009 in words is "eleven billion, two hundred thirty-one million, one hundred one thousand, nine".