122011201100001 has 16 divisors (see below), whose sum is σ = 163058851454720. Its totient is φ = 81152231529600.

The previous prime is 122011201099999. The next prime is 122011201100027. The reversal of 122011201100001 is 100001102110221.

It is not a de Polignac number, because 122011201100001 - 2¹ = 122011201099999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122011201100001.

It is not an unprimeable number, because it can be changed into a prime (122011201900001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1781685 + ... + 15722493.

It is an arithmetic number, because the mean of its divisors is an integer number (10191178215920).

Almost surely, 2^{122011201100001} is an apocalyptic number.

It is an amenable number.

122011201100001 is a deficient number, since it is larger than the sum of its proper divisors (41047650354719).

122011201100001 is a wasteful number, since it uses less digits than its factorization.

122011201100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13947576.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 122011201100001 its reverse (100001102110221), we get a palindrome (222012303210222).

The spelling of 122011201100001 in words is "one hundred twenty-two trillion, eleven billion, two hundred one million, one hundred thousand, one".