122101010201 has 4 divisors (see below), whose sum is σ = 122133410100. Its totient is φ = 122068610304.

The previous prime is 122101010191. The next prime is 122101010209. The reversal of 122101010201 is 102010101221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102010101221 = 7 ⋅14572871603.

It can be written as a sum of positive squares in 2 ways, for example, as 43056250000 + 79044760201 = 207500^2 + 281149^2 .

It is a cyclic number.

It is not a de Polignac number, because 122101010201 - 2¹⁸ = 122100748057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122101010209) 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, 16194296 + ... + 16201833.

It is an arithmetic number, because the mean of its divisors is an integer number (30533352525).

Almost surely, 2^122101010201 is an apocalyptic number.

It is an amenable number.

122101010201 is a deficient number, since it is larger than the sum of its proper divisors (32399899).

122101010201 is an equidigital number, since it uses as much as digits as its factorization.

122101010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32399898.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122101010201 its reverse (102010101221), we get a palindrome (224111111422).

The spelling of 122101010201 in words is "one hundred twenty-two billion, one hundred one million, ten thousand, two hundred one".