20211122011009 has 8 divisors (see below), whose sum is σ = 20314861414400. Its totient is φ = 20107404367776.

The previous prime is 20211122011007. The next prime is 20211122011019. The reversal of 20211122011009 is 90011022111202.

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 20211122011009 - 2¹ = 20211122011007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211122011001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3576012 + ... + 7294525.

It is an arithmetic number, because the mean of its divisors is an integer number (2539357676800).

Almost surely, 2^{20211122011009} is an apocalyptic number.

It is an amenable number.

20211122011009 is a deficient number, since it is larger than the sum of its proper divisors (103739403391).

20211122011009 is a wasteful number, since it uses less digits than its factorization.

20211122011009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880079.

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

The spelling of 20211122011009 in words is "twenty trillion, two hundred eleven billion, one hundred twenty-two million, eleven thousand, nine".