22001222011201 has 8 divisors (see below), whose sum is σ = 22725322016000. Its totient is φ = 21278020954320.

The previous prime is 22001222011183. The next prime is 22001222011231. The reversal of 22001222011201 is 10211022210022.

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 22001222011201 - 2⁷ = 22001222011073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22001222011231) 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, 224687226 + ... + 224785123.

It is an arithmetic number, because the mean of its divisors is an integer number (2840665252000).

Almost surely, 2^{22001222011201} is an apocalyptic number.

It is an amenable number.

22001222011201 is a deficient number, since it is larger than the sum of its proper divisors (724100004799).

22001222011201 is a wasteful number, since it uses less digits than its factorization.

22001222011201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449473959.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22001222011201 its reverse (10211022210022), we get a palindrome (32212244221223).

The spelling of 22001222011201 in words is "twenty-two trillion, one billion, two hundred twenty-two million, eleven thousand, two hundred one".