120000212222111 has 32 divisors (see below), whose sum is σ = 138602853224640. Its totient is φ = 102956814664704.

The previous prime is 120000212222089. The next prime is 120000212222171. The reversal of 120000212222111 is 111222212000021.

It is not a de Polignac number, because 120000212222111 - 2⁶ = 120000212222047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120000212222111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120000212222171) by changing a digit.

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 in 31 ways as a sum of consecutive naturals, for example, 641011955 + ... + 641199131.

It is an arithmetic number, because the mean of its divisors is an integer number (4331339163270).

Almost surely, 2^{120000212222111} is an apocalyptic number.

120000212222111 is a deficient number, since it is larger than the sum of its proper divisors (18602641002529).

120000212222111 is a wasteful number, since it uses less digits than its factorization.

120000212222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236235.

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

Adding to 120000212222111 its reverse (111222212000021), we get a palindrome (231222424222132).

The spelling of 120000212222111 in words is "one hundred twenty trillion, two hundred twelve million, two hundred twenty-two thousand, one hundred eleven".