122122011112201 has 4 divisors (see below), whose sum is σ = 122142847496004. Its totient is φ = 122101174728400.

The previous prime is 122122011112141. The next prime is 122122011112247. The reversal of 122122011112201 is 102211110221221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57653573070025 + 64468438042176 = 7592995^2 + 8029224^2 .

It is a cyclic number.

It is not a de Polignac number, because 122122011112201 - 2¹⁵ = 122122011079433 is a prime.

It is a super-2 number, since 2×122122011112201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122122011112271) 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, 10418183110 + ... + 10418194831.

It is an arithmetic number, because the mean of its divisors is an integer number (30535711874001).

Almost surely, 2^{122122011112201} is an apocalyptic number.

It is an amenable number.

122122011112201 is a deficient number, since it is larger than the sum of its proper divisors (20836383803).

122122011112201 is an equidigital number, since it uses as much as digits as its factorization.

122122011112201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20836383802.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122122011112201 its reverse (102211110221221), we get a palindrome (224333121333422).

The spelling of 122122011112201 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, eleven million, one hundred twelve thousand, two hundred one".