120211121111211 has 48 divisors (see below), whose sum is σ = 189493631439840. Its totient is φ = 72992243681280.

The previous prime is 120211121111209. The next prime is 120211121111243. The reversal of 120211121111211 is 112111121112021.

120211121111211 is a `hidden beast` number, since 1 + 20 + 211 + 1 + 211 + 11 + 211 = 666.

It is not a de Polignac number, because 120211121111211 - 2¹ = 120211121111209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120211121111311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12243816 + ... + 19756853.

It is an arithmetic number, because the mean of its divisors is an integer number (3947783988330).

Almost surely, 2^{120211121111211} is an apocalyptic number.

120211121111211 is a deficient number, since it is larger than the sum of its proper divisors (69282510328629).

120211121111211 is a wasteful number, since it uses less digits than its factorization.

120211121111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32001116 (or 32001113 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 18.

Adding to 120211121111211 its reverse (112111121112021), we get a palindrome (232322242223232).

It can be divided in two parts, 12021 and 1121111211, that multiplied together give a palindrome (13476877867431).

The spelling of 120211121111211 in words is "one hundred twenty trillion, two hundred eleven billion, one hundred twenty-one million, one hundred eleven thousand, two hundred eleven".