122110001 has 4 divisors (see below), whose sum is σ = 131503092. Its totient is φ = 112716912.

The previous prime is 122109991. The next prime is 122110057. The reversal of 122110001 is 100011221.

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 66994225 + 55115776 = 8185^2 + 7424^2 .

It is a cyclic number.

It is not a de Polignac number, because 122110001 - 2⁶ = 122109937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122110081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4696526 + ... + 4696551.

It is an arithmetic number, because the mean of its divisors is an integer number (32875773).

Almost surely, 2^122110001 is an apocalyptic number.

It is an amenable number.

122110001 is a deficient number, since it is larger than the sum of its proper divisors (9393091).

122110001 is an equidigital number, since it uses as much as digits as its factorization.

122110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9393090.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 122110001 is about 11050.3394065522. The cubic root of 122110001 is about 496.1165842515.

Adding to 122110001 its reverse (100011221), we get a palindrome (222121222).

It can be divided in two parts, 1221 and 10001, that multiplied together give a palindrome (12211221).

The spelling of 122110001 in words is "one hundred twenty-two million, one hundred ten thousand, one".