12221111001201 has 8 divisors (see below), whose sum is σ = 16294991478240. Its totient is φ = 8147318929152.

The previous prime is 12221111001179. The next prime is 12221111001263. The reversal of 12221111001201 is 10210011112221.

It is a happy number.

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

It is not a de Polignac number, because 12221111001201 - 2⁶ = 12221111001137 is a prime.

It is a super-2 number, since 2×12221111001201² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12221111001301) 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, 21778011 + ... + 22332128.

It is an arithmetic number, because the mean of its divisors is an integer number (2036873934780).

Almost surely, 2^{12221111001201} is an apocalyptic number.

It is an amenable number.

12221111001201 is a deficient number, since it is larger than the sum of its proper divisors (4073880477039).

12221111001201 is an equidigital number, since it uses as much as digits as its factorization.

12221111001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44202495.

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

Adding to 12221111001201 its reverse (10210011112221), we get a palindrome (22431122113422).

The spelling of 12221111001201 in words is "twelve trillion, two hundred twenty-one billion, one hundred eleven million, one thousand, two hundred one".