122040421401 has 4 divisors (see below), whose sum is σ = 162720561872. Its totient is φ = 81360280932.

The previous prime is 122040421381. The next prime is 122040421411. The reversal of 122040421401 is 104124040221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104124040221 = 3 ⋅34708013407.

It is not a de Polignac number, because 122040421401 - 2⁵ = 122040421369 is a prime.

It is a super-3 number, since 3×122040421401³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122040421411) 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, 20340070231 + ... + 20340070236.

It is an arithmetic number, because the mean of its divisors is an integer number (40680140468).

Almost surely, 2^122040421401 is an apocalyptic number.

It is an amenable number.

122040421401 is a deficient number, since it is larger than the sum of its proper divisors (40680140471).

122040421401 is an equidigital number, since it uses as much as digits as its factorization.

122040421401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40680140470.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122040421401 its reverse (104124040221), we get a palindrome (226164461622).

The spelling of 122040421401 in words is "one hundred twenty-two billion, forty million, four hundred twenty-one thousand, four hundred one".