122220221021101 has 4 divisors (see below), whose sum is σ = 139680252595552. Its totient is φ = 104760189446652.

The previous prime is 122220221021051. The next prime is 122220221021159. The reversal of 122220221021101 is 101120122022221.

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 122220221021101 - 2²⁹ = 122219684150189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122220221021191) 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, 8730015787215 + ... + 8730015787228.

It is an arithmetic number, because the mean of its divisors is an integer number (34920063148888).

Almost surely, 2^{122220221021101} is an apocalyptic number.

It is an amenable number.

122220221021101 is a deficient number, since it is larger than the sum of its proper divisors (17460031574451).

122220221021101 is an equidigital number, since it uses as much as digits as its factorization.

122220221021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17460031574450.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122220221021101 its reverse (101120122022221), we get a palindrome (223340343043322).

The spelling of 122220221021101 in words is "one hundred twenty-two trillion, two hundred twenty billion, two hundred twenty-one million, twenty-one thousand, one hundred one".