2111122022009 has 16 divisors (see below), whose sum is σ = 2834513485440. Its totient is φ = 1518489365760.

The previous prime is 2111122022003. The next prime is 2111122022027. The reversal of 2111122022009 is 9002202211112.

It is a cyclic number.

It is not a de Polignac number, because 2111122022009 - 2⁴⁰ = 1011610394233 is a prime.

It is a super-2 number, since 2×2111122022009² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2111122022003) 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, 1054505504 + ... + 1054507505.

It is an arithmetic number, because the mean of its divisors is an integer number (177157092840).

Almost surely, 2^{2111122022009} is an apocalyptic number.

It is an amenable number.

2111122022009 is a deficient number, since it is larger than the sum of its proper divisors (723391463431).

2111122022009 is a wasteful number, since it uses less digits than its factorization.

2111122022009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2109013040.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 2111122022009 in words is "two trillion, one hundred eleven billion, one hundred twenty-two million, twenty-two thousand, nine".