122101021201 has 4 divisors (see below), whose sum is σ = 122117900212. Its totient is φ = 122084142192.

The previous prime is 122101021199. The next prime is 122101021253. The reversal of 122101021201 is 102120101221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102120101221 = 9479 ⋅10773299.

It can be written as a sum of positive squares in 2 ways, for example, as 106748572176 + 15352449025 = 326724^2 + 123905^2 .

It is a cyclic number.

It is not a de Polignac number, because 122101021201 - 2¹ = 122101021199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122101025201) 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, 8428650 + ... + 8443123.

It is an arithmetic number, because the mean of its divisors is an integer number (30529475053).

Almost surely, 2^122101021201 is an apocalyptic number.

It is an amenable number.

122101021201 is a deficient number, since it is larger than the sum of its proper divisors (16879011).

122101021201 is an equidigital number, since it uses as much as digits as its factorization.

122101021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16879010.

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

Adding to 122101021201 its reverse (102120101221), we get a palindrome (224221122422).

The spelling of 122101021201 in words is "one hundred twenty-two billion, one hundred one million, twenty-one thousand, two hundred one".