122042500201 has 4 divisors (see below), whose sum is σ = 122043474432. Its totient is φ = 122041525972.

The previous prime is 122042500171. The next prime is 122042500211. The reversal of 122042500201 is 102005240221.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102005240221 = 431 ⋅236671091.

It is a cyclic number.

It is not a de Polignac number, because 122042500201 - 2¹⁵ = 122042467433 is a prime.

It is a super-2 number, since 2×122042500201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122042500211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265645 + ... + 560938.

It is an arithmetic number, because the mean of its divisors is an integer number (30510868608).

Almost surely, 2^122042500201 is an apocalyptic number.

It is an amenable number.

122042500201 is a deficient number, since it is larger than the sum of its proper divisors (974231).

122042500201 is an equidigital number, since it uses as much as digits as its factorization.

122042500201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974230.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 122042500201 its reverse (102005240221), we get a palindrome (224047740422).

The spelling of 122042500201 in words is "one hundred twenty-two billion, forty-two million, five hundred thousand, two hundred one".