22201202221201 has 4 divisors (see below), whose sum is σ = 22513895210304. Its totient is φ = 21888509232100.

The previous prime is 22201202221139. The next prime is 22201202221241. The reversal of 22201202221201 is 10212220210222.

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 22201202221201 - 2³¹ = 22199054737553 is a prime.

It is a super-2 number, since 2×22201202221201² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201202221241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156346494445 + ... + 156346494586.

It is an arithmetic number, because the mean of its divisors is an integer number (5628473802576).

Almost surely, 2^{22201202221201} is an apocalyptic number.

It is an amenable number.

22201202221201 is a deficient number, since it is larger than the sum of its proper divisors (312692989103).

22201202221201 is an equidigital number, since it uses as much as digits as its factorization.

22201202221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312692989102.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22201202221201 its reverse (10212220210222), we get a palindrome (32413422431423).

The spelling of 22201202221201 in words is "twenty-two trillion, two hundred one billion, two hundred two million, two hundred twenty-one thousand, two hundred one".