120212122222111 has 8 divisors (see below), whose sum is σ = 132817485422304. Its totient is φ = 108221654787840.

The previous prime is 120212122222103. The next prime is 120212122222121. The reversal of 120212122222111 is 111222221212021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120212122222111 - 2³ = 120212122222103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212122222121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153723941070 + ... + 153723941851.

It is an arithmetic number, because the mean of its divisors is an integer number (16602185677788).

Almost surely, 2^{120212122222111} is an apocalyptic number.

120212122222111 is a deficient number, since it is larger than the sum of its proper divisors (12605363200193).

120212122222111 is a wasteful number, since it uses less digits than its factorization.

120212122222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307447882961.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 120212122222111 its reverse (111222221212021), we get a palindrome (231434343434132).

The spelling of 120212122222111 in words is "one hundred twenty trillion, two hundred twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred eleven".