120001222111022 has 12 divisors (see below), whose sum is σ = 209389887561240. Its totient is φ = 51429095190396.

The previous prime is 120001222111013. The next prime is 120001222111073. The reversal of 120001222111022 is 220111222100021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612251133122 + ... + 612251133317.

It is an arithmetic number, because the mean of its divisors is an integer number (17449157296770).

Almost surely, 2^{120001222111022} is an apocalyptic number.

120001222111022 is a deficient number, since it is larger than the sum of its proper divisors (89388665450218).

120001222111022 is a wasteful number, since it uses less digits than its factorization.

120001222111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224502266455 (or 1224502266448 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120001222111022 its reverse (220111222100021), we get a palindrome (340112444211043).

The spelling of 120001222111022 in words is "one hundred twenty trillion, one billion, two hundred twenty-two million, one hundred eleven thousand, twenty-two".