212021121120211 has 32 divisors (see below), whose sum is σ = 229264887983040. Its totient is φ = 194912061087744.

The previous prime is 212021121120199. The next prime is 212021121120217. The reversal of 212021121120211 is 112021121120212.

It is a happy number.

It is not a de Polignac number, because 212021121120211 - 2¹⁵ = 212021121087443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212021121120217) 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, 29232192861 + ... + 29232200113.

It is an arithmetic number, because the mean of its divisors is an integer number (7164527749470).

Almost surely, 2^{212021121120211} is an apocalyptic number.

212021121120211 is a deficient number, since it is larger than the sum of its proper divisors (17243766862829).

212021121120211 is a wasteful number, since it uses less digits than its factorization.

212021121120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13015.

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

Adding to 212021121120211 its reverse (112021121120212), we get a palindrome (324042242240423).

Subtracting from 212021121120211 its reverse (112021121120212), we obtain a palindrome (99999999999999).

The spelling of 212021121120211 in words is "two hundred twelve trillion, twenty-one billion, one hundred twenty-one million, one hundred twenty thousand, two hundred eleven".