120211220120122 has 4 divisors (see below), whose sum is σ = 180316830180186. Its totient is φ = 60105610060060.

The previous prime is 120211220120111. The next prime is 120211220120149. The reversal of 120211220120122 is 221021022112021.

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., 64326639711321 + 55884580408801 = 8020389^2 + 7475599^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120211220120122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30052805030029 + ... + 30052805030032.

Almost surely, 2^{120211220120122} is an apocalyptic number.

120211220120122 is a deficient number, since it is larger than the sum of its proper divisors (60105610060064).

120211220120122 is an equidigital number, since it uses as much as digits as its factorization.

120211220120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60105610060063.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 120211220120122 its reverse (221021022112021), we get a palindrome (341232242232143).

The spelling of 120211220120122 in words is "one hundred twenty trillion, two hundred eleven billion, two hundred twenty million, one hundred twenty thousand, one hundred twenty-two".