12221210133111 has 32 divisors (see below), whose sum is σ = 19036054702080. Its totient is φ = 6828842854656.

The previous prime is 12221210133103. The next prime is 12221210133169. The reversal of 12221210133111 is 11133101212221.

It is not a de Polignac number, because 12221210133111 - 2³ = 12221210133103 is a prime.

It is a super-3 number, since 3×12221210133111³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221210133211) 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, 4440126 + ... + 6645083.

It is an arithmetic number, because the mean of its divisors is an integer number (594876709440).

Almost surely, 2^{12221210133111} is an apocalyptic number.

12221210133111 is a deficient number, since it is larger than the sum of its proper divisors (6814844568969).

12221210133111 is a wasteful number, since it uses less digits than its factorization.

12221210133111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11086383.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12221210133111 its reverse (11133101212221), we get a palindrome (23354311345332).

The spelling of 12221210133111 in words is "twelve trillion, two hundred twenty-one billion, two hundred ten million, one hundred thirty-three thousand, one hundred eleven".