122201021101 has 4 divisors (see below), whose sum is σ = 122505762204. Its totient is φ = 121896280000.

The previous prime is 122201021083. The next prime is 122201021123. The reversal of 122201021101 is 101120102221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 111322322500 + 10878698601 = 333650^2 + 104301^2 .

It is a cyclic number.

It is not a de Polignac number, because 122201021101 - 2¹¹ = 122201019053 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 (122201021161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152369950 + ... + 152370751.

It is an arithmetic number, because the mean of its divisors is an integer number (30626440551).

Almost surely, 2^122201021101 is an apocalyptic number.

It is an amenable number.

122201021101 is a deficient number, since it is larger than the sum of its proper divisors (304741103).

122201021101 is an equidigital number, since it uses as much as digits as its factorization.

122201021101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304741102.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 122201021101 its reverse (101120102221), we get a palindrome (223321123322).

The spelling of 122201021101 in words is "one hundred twenty-two billion, two hundred one million, twenty-one thousand, one hundred one".