120201210222111 has 16 divisors (see below), whose sum is σ = 180329991897600. Its totient is φ = 79119783942264.

The previous prime is 120201210222109. The next prime is 120201210222113. The reversal of 120201210222111 is 111222012102021.

120201210222111 is a `hidden beast` number, since 1 + 20 + 201 + 210 + 2 + 221 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (120201210222109) and next prime (120201210222113).

It is not a de Polignac number, because 120201210222111 - 2¹ = 120201210222109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120201210222113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28176559101 + ... + 28176563366.

It is an arithmetic number, because the mean of its divisors is an integer number (11270624493600).

Almost surely, 2^{120201210222111} is an apocalyptic number.

120201210222111 is a deficient number, since it is larger than the sum of its proper divisors (60128781675489).

120201210222111 is an equidigital number, since it uses as much as digits as its factorization.

120201210222111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56353122555 (or 56353122549 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120201210222111 its reverse (111222012102021), we get a palindrome (231423222324132).

The spelling of 120201210222111 in words is "one hundred twenty trillion, two hundred one billion, two hundred ten million, two hundred twenty-two thousand, one hundred eleven".