12221011201101 has 4 divisors (see below), whose sum is σ = 16294681601472. Its totient is φ = 8147340800732.

The previous prime is 12221011201019. The next prime is 12221011201103. The reversal of 12221011201101 is 10110211012221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12221011201101 - 2²⁹ = 12220474330189 is a prime.

It is a super-2 number, since 2×12221011201101² (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 (12221011201103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2036835200181 + ... + 2036835200186.

It is an arithmetic number, because the mean of its divisors is an integer number (4073670400368).

Almost surely, 2^{12221011201101} is an apocalyptic number.

It is an amenable number.

12221011201101 is a deficient number, since it is larger than the sum of its proper divisors (4073670400371).

12221011201101 is an equidigital number, since it uses as much as digits as its factorization.

12221011201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073670400370.

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

Adding to 12221011201101 its reverse (10110211012221), we get a palindrome (22331222213322).

The spelling of 12221011201101 in words is "twelve trillion, two hundred twenty-one billion, eleven million, two hundred one thousand, one hundred one".