12221222011201 has 8 divisors (see below), whose sum is σ = 13967698728320. Its totient is φ = 10474892258688.

The previous prime is 12221222011183. The next prime is 12221222011217. The reversal of 12221222011201 is 10211022212221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12221222011201 - 2¹¹ = 12221222009153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12221222011241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36562896 + ... + 36895633.

It is an arithmetic number, because the mean of its divisors is an integer number (1745962341040).

Almost surely, 2^{12221222011201} is an apocalyptic number.

It is an amenable number.

12221222011201 is a deficient number, since it is larger than the sum of its proper divisors (1746476717119).

12221222011201 is an equidigital number, since it uses as much as digits as its factorization.

12221222011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73482303.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12221222011201 its reverse (10211022212221), we get a palindrome (22432244223422).

It can be divided in two parts, 1222122 and 2011201, that added together give a palindrome (3233323).

The spelling of 12221222011201 in words is "twelve trillion, two hundred twenty-one billion, two hundred twenty-two million, eleven thousand, two hundred one".