22011122122201 has 4 divisors (see below), whose sum is σ = 22011503529600. Its totient is φ = 22010740714804.

The previous prime is 22011122122181. The next prime is 22011122122291. The reversal of 22011122122201 is 10222122111022.

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 22011122122201 - 2¹⁷ = 22011121991129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22011122122291) 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, 190617121 + ... + 190732558.

It is an arithmetic number, because the mean of its divisors is an integer number (5502875882400).

Almost surely, 2^{22011122122201} is an apocalyptic number.

It is an amenable number.

22011122122201 is a deficient number, since it is larger than the sum of its proper divisors (381407399).

22011122122201 is an equidigital number, since it uses as much as digits as its factorization.

22011122122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381407398.

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

Adding to 22011122122201 its reverse (10222122111022), we get a palindrome (32233244233223).

The spelling of 22011122122201 in words is "twenty-two trillion, eleven billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred one".