122201022212211 has 4 divisors (see below), whose sum is σ = 162934696282952. Its totient is φ = 81467348141472.

The previous prime is 122201022212179. The next prime is 122201022212219. The reversal of 122201022212211 is 112212220102221.

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

It is not a de Polignac number, because 122201022212211 - 2⁵ = 122201022212179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122201022212219) 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, 20366837035366 + ... + 20366837035371.

It is an arithmetic number, because the mean of its divisors is an integer number (40733674070738).

Almost surely, 2^{122201022212211} is an apocalyptic number.

122201022212211 is a deficient number, since it is larger than the sum of its proper divisors (40733674070741).

122201022212211 is an equidigital number, since it uses as much as digits as its factorization.

122201022212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40733674070740.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 122201022212211 its reverse (112212220102221), we get a palindrome (234413242314432).

The spelling of 122201022212211 in words is "one hundred twenty-two trillion, two hundred one billion, twenty-two million, two hundred twelve thousand, two hundred eleven".