12221010220011 has 4 divisors (see below), whose sum is σ = 16294680293352. Its totient is φ = 8147340146672.

The previous prime is 12221010219961. The next prime is 12221010220049. The reversal of 12221010220011 is 11002201012221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12221010220011 - 2²² = 12221006025707 is a prime.

It is a super-2 number, since 2×12221010220011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12221010221011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036835036666 + ... + 2036835036671.

It is an arithmetic number, because the mean of its divisors is an integer number (4073670073338).

Almost surely, 2^{12221010220011} is an apocalyptic number.

12221010220011 is a deficient number, since it is larger than the sum of its proper divisors (4073670073341).

12221010220011 is an equidigital number, since it uses as much as digits as its factorization.

12221010220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073670073340.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12221010220011 its reverse (11002201012221), we get a palindrome (23223211232232).

The spelling of 12221010220011 in words is "twelve trillion, two hundred twenty-one billion, ten million, two hundred twenty thousand, eleven".