11220101212009 has 4 divisors (see below), whose sum is σ = 11234358012304. Its totient is φ = 11205844411716.

The previous prime is 11220101211983. The next prime is 11220101212013. The reversal of 11220101212009 is 90021210102211.

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 11220101212009 - 2⁹ = 11220101211497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11220101212039) 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, 7128398967 + ... + 7128400540.

It is an arithmetic number, because the mean of its divisors is an integer number (2808589503076).

Almost surely, 2^{11220101212009} is an apocalyptic number.

It is an amenable number.

11220101212009 is a deficient number, since it is larger than the sum of its proper divisors (14256800295).

11220101212009 is an equidigital number, since it uses as much as digits as its factorization.

11220101212009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14256800294.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 11220101212009 in words is "eleven trillion, two hundred twenty billion, one hundred one million, two hundred twelve thousand, nine".