122001222011211 has 8 divisors (see below), whose sum is σ = 180742551127760. Its totient is φ = 81334148007456.

The previous prime is 122001222011197. The next prime is 122001222011269. The reversal of 122001222011211 is 112110222100221.

122001222011211 is a `hidden beast` number, since 1 + 220 + 0 + 1 + 2 + 220 + 11 + 211 = 666.

122001222011211 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 122001222011211 - 2⁷ = 122001222011083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122001222010211) 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, 2259281889070 + ... + 2259281889123.

It is an arithmetic number, because the mean of its divisors is an integer number (22592818890970).

Almost surely, 2^{122001222011211} is an apocalyptic number.

122001222011211 is a deficient number, since it is larger than the sum of its proper divisors (58741329116549).

122001222011211 is an equidigital number, since it uses as much as digits as its factorization.

122001222011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518563778202 (or 4518563778196 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122001222011211 its reverse (112110222100221), we get a palindrome (234111444111432).

The spelling of 122001222011211 in words is "one hundred twenty-two trillion, one billion, two hundred twenty-two million, eleven thousand, two hundred eleven".