11000022121009 has 8 divisors (see below), whose sum is σ = 11491999897320. Its totient is φ = 10515555456000.

The previous prime is 11000022121003. The next prime is 11000022121019. The reversal of 11000022121009 is 90012122000011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6798534760000 + 4201487361009 = 2607400^2 + 2049753^2 .

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 11000022121009 - 2¹⁵ = 11000022088241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11000022121003) 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, 1877774832 + ... + 1877780689.

It is an arithmetic number, because the mean of its divisors is an integer number (1436499987165).

Almost surely, 2^{11000022121009} is an apocalyptic number.

It is an amenable number.

11000022121009 is a deficient number, since it is larger than the sum of its proper divisors (491977776311).

11000022121009 is a wasteful number, since it uses less digits than its factorization.

11000022121009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755555651.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 11000022121009 in words is "eleven trillion, twenty-two million, one hundred twenty-one thousand, nine".