120122221122111 has 64 divisors (see below), whose sum is σ = 187159264661376. Its totient is φ = 67848706867200.

The previous prime is 120122221122097. The next prime is 120122221122121. The reversal of 120122221122111 is 111221122221021.

It is not a de Polignac number, because 120122221122111 - 2¹¹ = 120122221120063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120122221122121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 66440281 + ... + 68224301.

It is an arithmetic number, because the mean of its divisors is an integer number (2924363510334).

Almost surely, 2^{120122221122111} is an apocalyptic number.

120122221122111 is a deficient number, since it is larger than the sum of its proper divisors (67037043539265).

120122221122111 is a wasteful number, since it uses less digits than its factorization.

120122221122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786572.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 120122221122111 its reverse (111221122221021), we get a palindrome (231343343343132).

The spelling of 120122221122111 in words is "one hundred twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred eleven".