12220021020011 has 32 divisors (see below), whose sum is σ = 15374005742592. Its totient is φ = 9474176701440.

The previous prime is 12220021019993. The next prime is 12220021020037. The reversal of 12220021020011 is 11002012002221.

It is a cyclic number.

It is not a de Polignac number, because 12220021020011 - 2¹⁴ = 12220021003627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12220021020041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18364271 + ... + 19018056.

It is an arithmetic number, because the mean of its divisors is an integer number (480437679456).

Almost surely, 2^{12220021020011} is an apocalyptic number.

12220021020011 is a deficient number, since it is larger than the sum of its proper divisors (3153984722581).

12220021020011 is a wasteful number, since it uses less digits than its factorization.

12220021020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37382459.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12220021020011 its reverse (11002012002221), we get a palindrome (23222033022232).

The spelling of 12220021020011 in words is "twelve trillion, two hundred twenty billion, twenty-one million, twenty thousand, eleven".