120221110122122 has 4 divisors (see below), whose sum is σ = 180331665183186. Its totient is φ = 60110555061060.

The previous prime is 120221110122121. The next prime is 120221110122181. The reversal of 120221110122122 is 221221011122021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 119885659491361 + 335450630761 = 10949231^2 + 579181^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120221110122094 and 120221110122103.

It is not an unprimeable number, because it can be changed into a prime (120221110122121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30055277530529 + ... + 30055277530532.

Almost surely, 2^{120221110122122} is an apocalyptic number.

120221110122122 is a deficient number, since it is larger than the sum of its proper divisors (60110555061064).

120221110122122 is an equidigital number, since it uses as much as digits as its factorization.

120221110122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60110555061063.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 120221110122122 its reverse (221221011122021), we get a palindrome (341442121244143).

The spelling of 120221110122122 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred ten million, one hundred twenty-two thousand, one hundred twenty-two".