122201100122 has 8 divisors (see below), whose sum is σ = 183369222516. Its totient is φ = 61078025952.

The previous prime is 122201100079. The next prime is 122201100137. The reversal of 122201100122 is 221001102221.

It can be written as a sum of positive squares in 2 ways, for example, as 120624930721 + 1576169401 = 347311^2 + 39701^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 122201100097 and 122201100106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11255273 + ... + 11266124.

Almost surely, 2^122201100122 is an apocalyptic number.

122201100122 is a deficient number, since it is larger than the sum of its proper divisors (61168122394).

122201100122 is a wasteful number, since it uses less digits than its factorization.

122201100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22524112.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122201100122 its reverse (221001102221), we get a palindrome (343202202343).

The spelling of 122201100122 in words is "one hundred twenty-two billion, two hundred one million, one hundred thousand, one hundred twenty-two".