122010201121 has 4 divisors (see below), whose sum is σ = 122015070100. Its totient is φ = 122005332144.

The previous prime is 122010201113. The next prime is 122010201133. The reversal of 122010201121 is 121102010221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121102010221 = 325691 ⋅371831.

It can be written as a sum of positive squares in 2 ways, for example, as 86606015521 + 35404185600 = 294289^2 + 188160^2 .

It is a cyclic number.

It is not a de Polignac number, because 122010201121 - 2³ = 122010201113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122010201221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2396706 + ... + 2447083.

It is an arithmetic number, because the mean of its divisors is an integer number (30503767525).

Almost surely, 2^122010201121 is an apocalyptic number.

It is an amenable number.

122010201121 is a deficient number, since it is larger than the sum of its proper divisors (4868979).

122010201121 is an equidigital number, since it uses as much as digits as its factorization.

122010201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868978.

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

Adding to 122010201121 its reverse (121102010221), we get a palindrome (243112211342).

The spelling of 122010201121 in words is "one hundred twenty-two billion, ten million, two hundred one thousand, one hundred twenty-one".