122220201111001 has 4 divisors (see below), whose sum is σ = 139680229841152. Its totient is φ = 104760172380852.

The previous prime is 122220201110993. The next prime is 122220201111013. The reversal of 122220201111001 is 100111102022221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122220201111001 - 2³ = 122220201110993 is a prime.

It is a super-2 number, since 2×122220201111001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122220201151001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8730014365065 + ... + 8730014365078.

It is an arithmetic number, because the mean of its divisors is an integer number (34920057460288).

Almost surely, 2^{122220201111001} is an apocalyptic number.

It is an amenable number.

122220201111001 is a deficient number, since it is larger than the sum of its proper divisors (17460028730151).

122220201111001 is an equidigital number, since it uses as much as digits as its factorization.

122220201111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17460028730150.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 122220201111001 its reverse (100111102022221), we get a palindrome (222331303133222).

The spelling of 122220201111001 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred one million, one hundred eleven thousand, one".