120100002122 has 4 divisors (see below), whose sum is σ = 180150003186. Its totient is φ = 60050001060.

The previous prime is 120100002097. The next prime is 120100002179. The reversal of 120100002122 is 221200001021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221200001021 = 3413 ⋅64811017.

It can be written as a sum of positive squares in only one way, i.e., 68979244321 + 51120757801 = 262639^2 + 226099^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30025000529 + ... + 30025000532.

Almost surely, 2^120100002122 is an apocalyptic number.

120100002122 is a deficient number, since it is larger than the sum of its proper divisors (60050001064).

120100002122 is an equidigital number, since it uses as much as digits as its factorization.

120100002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60050001063.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120100002122 its reverse (221200001021), we get a palindrome (341300003143).

The spelling of 120100002122 in words is "one hundred twenty billion, one hundred million, two thousand, one hundred twenty-two".