2211220022009 has 16 divisors (see below), whose sum is σ = 2249140721664. Its totient is φ = 2173514601600.

The previous prime is 2211220022003. The next prime is 2211220022047. The reversal of 2211220022009 is 9002200221122.

It is a cyclic number.

It is not a de Polignac number, because 2211220022009 - 2¹² = 2211220017913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211220022003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36064439 + ... + 36125699.

It is an arithmetic number, because the mean of its divisors is an integer number (140571295104).

Almost surely, 2^{2211220022009} is an apocalyptic number.

It is an amenable number.

2211220022009 is a deficient number, since it is larger than the sum of its proper divisors (37920699655).

2211220022009 is a wasteful number, since it uses less digits than its factorization.

2211220022009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63008.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 2211220022009 in words is "two trillion, two hundred eleven billion, two hundred twenty million, twenty-two thousand, nine".