120212210012111 has 8 divisors (see below), whose sum is σ = 139435910974080. Its totient is φ = 101501141075928.

The previous prime is 120212210012101. The next prime is 120212210012113. The reversal of 120212210012111 is 111210012212021.

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 120212210012111 - 2⁴⁶ = 49843465834447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120212210012111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120212210012113) 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, 128158005941 + ... + 128158006878.

It is an arithmetic number, because the mean of its divisors is an integer number (17429488871760).

Almost surely, 2^{120212210012111} is an apocalyptic number.

120212210012111 is a deficient number, since it is larger than the sum of its proper divisors (19223700961969).

120212210012111 is an equidigital number, since it uses as much as digits as its factorization.

120212210012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256316012893.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 120212210012111 its reverse (111210012212021), we get a palindrome (231422222224132).

The spelling of 120212210012111 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred ten million, twelve thousand, one hundred eleven".