122001222211001 has 24 divisors (see below), whose sum is σ = 142777496520000. Its totient is φ = 103942006013664.

The previous prime is 122001222210971. The next prime is 122001222211007. The reversal of 122001222211001 is 100112222100221.

It is not a de Polignac number, because 122001222211001 - 2⁴² = 117603175699897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122001222211007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2354231 + ... + 15796988.

It is an arithmetic number, because the mean of its divisors is an integer number (5949062355000).

Almost surely, 2^{122001222211001} is an apocalyptic number.

It is an amenable number.

122001222211001 is a deficient number, since it is larger than the sum of its proper divisors (20776274308999).

122001222211001 is a wasteful number, since it uses less digits than its factorization.

122001222211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18152061 (or 18152054 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122001222211001 its reverse (100112222100221), we get a palindrome (222113444311222).

The spelling of 122001222211001 in words is "one hundred twenty-two trillion, one billion, two hundred twenty-two million, two hundred eleven thousand, one".