12221020200111 has 32 divisors (see below), whose sum is σ = 17849081384640. Its totient is φ = 7403284955136.

The previous prime is 12221020200079. The next prime is 12221020200113. The reversal of 12221020200111 is 11100202012221.

It is not a de Polignac number, because 12221020200111 - 2⁵ = 12221020200079 is a prime.

It is a super-2 number, since 2×12221020200111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221020200113) 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, 29279595 + ... + 29694051.

It is an arithmetic number, because the mean of its divisors is an integer number (557783793270).

Almost surely, 2^{12221020200111} is an apocalyptic number.

12221020200111 is a deficient number, since it is larger than the sum of its proper divisors (5628061184529).

12221020200111 is a wasteful number, since it uses less digits than its factorization.

12221020200111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434443.

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

Adding to 12221020200111 its reverse (11100202012221), we get a palindrome (23321222212332).

The spelling of 12221020200111 in words is "twelve trillion, two hundred twenty-one billion, twenty million, two hundred thousand, one hundred eleven".