12220011121011 has 16 divisors (see below), whose sum is σ = 16298651451264. Its totient is φ = 8144022749184.

The previous prime is 12220011121009. The next prime is 12220011121079. The reversal of 12220011121011 is 11012111002221.

It is a happy number.

It is not a de Polignac number, because 12220011121011 - 2¹ = 12220011121009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220011121001) 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, 218237160 + ... + 218293146.

It is an arithmetic number, because the mean of its divisors is an integer number (1018665715704).

Almost surely, 2^{12220011121011} is an apocalyptic number.

12220011121011 is a deficient number, since it is larger than the sum of its proper divisors (4078640330253).

12220011121011 is a wasteful number, since it uses less digits than its factorization.

12220011121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78370.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12220011121011 its reverse (11012111002221), we get a palindrome (23232122123232).

The spelling of 12220011121011 in words is "twelve trillion, two hundred twenty billion, eleven million, one hundred twenty-one thousand, eleven".