2211021111009 has 8 divisors (see below), whose sum is σ = 3003651320832. Its totient is φ = 1446202487600.

The previous prime is 2211021110953. The next prime is 2211021111017. The reversal of 2211021111009 is 9001111201122.

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 2211021111009 - 2¹² = 2211021106913 is a prime.

It is a super-2 number, since 2×2211021111009² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211021111049) 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, 6952896417 + ... + 6952896734.

It is an arithmetic number, because the mean of its divisors is an integer number (375456415104).

Almost surely, 2^{2211021111009} is an apocalyptic number.

It is an amenable number.

2211021111009 is a deficient number, since it is larger than the sum of its proper divisors (792630209823).

2211021111009 is a wasteful number, since it uses less digits than its factorization.

2211021111009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13905793207.

The product of its (nonzero) digits is 72, while the sum is 21.

The spelling of 2211021111009 in words is "two trillion, two hundred eleven billion, twenty-one million, one hundred eleven thousand, nine".