120121222120211 has 32 divisors (see below), whose sum is σ = 133126222602240. Its totient is φ = 107679678393600.

The previous prime is 120121222120181. The next prime is 120121222120213. The reversal of 120121222120211 is 112021222121021.

It is a cyclic number.

It is not a de Polignac number, because 120121222120211 - 2⁶ = 120121222120147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120121222120213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158943650 + ... + 159697608.

It is an arithmetic number, because the mean of its divisors is an integer number (4160194456320).

Almost surely, 2^{120121222120211} is an apocalyptic number.

120121222120211 is a deficient number, since it is larger than the sum of its proper divisors (13005000482029).

120121222120211 is a wasteful number, since it uses less digits than its factorization.

120121222120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755387.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 120121222120211 its reverse (112021222121021), we get a palindrome (232142444241232).

The spelling of 120121222120211 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred twenty-two million, one hundred twenty thousand, two hundred eleven".