120121212120211 has 8 divisors (see below), whose sum is σ = 120380694026400. Its totient is φ = 119861954780160.

The previous prime is 120121212120181. The next prime is 120121212120223. The reversal of 120121212120211 is 112021212121021.

It is a happy number.

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 120121212120211 - 2³⁷ = 119983773166739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120121212120271) 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, 55070551 + ... + 57210208.

It is an arithmetic number, because the mean of its divisors is an integer number (15047586753300).

Almost surely, 2^{120121212120211} is an apocalyptic number.

120121212120211 is a deficient number, since it is larger than the sum of its proper divisors (259481906189).

120121212120211 is a wasteful number, since it uses less digits than its factorization.

120121212120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112283069.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 120121212120211 its reverse (112021212121021), we get a palindrome (232142424241232).

The spelling of 120121212120211 in words is "one hundred twenty trillion, one hundred twenty-one billion, two hundred twelve million, one hundred twenty thousand, two hundred eleven".