12011222022011 has 8 divisors (see below), whose sum is σ = 12718195072704. Its totient is φ = 11304296813440.

The previous prime is 12011222021987. The next prime is 12011222022013. The reversal of 12011222022011 is 11022022211021.

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 12011222022011 - 2⁶ = 12011222021947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011222022013) 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, 11442995 + ... + 12448476.

It is an arithmetic number, because the mean of its divisors is an integer number (1589774384088).

Almost surely, 2^{12011222022011} is an apocalyptic number.

12011222022011 is a deficient number, since it is larger than the sum of its proper divisors (706973050693).

12011222022011 is a wasteful number, since it uses less digits than its factorization.

12011222022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23921061.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12011222022011 its reverse (11022022211021), we get a palindrome (23033244233032).

The spelling of 12011222022011 in words is "twelve trillion, eleven billion, two hundred twenty-two million, twenty-two thousand, eleven".