211121212022 has 96 divisors (see below), whose sum is σ = 390336145920. Its totient is φ = 83859494400.

The previous prime is 211121212021. The next prime is 211121212033. The reversal of 211121212022 is 220212121112.

211121212022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211121212021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51129254 + ... + 51133382.

It is an arithmetic number, because the mean of its divisors is an integer number (4066001520).

Almost surely, 2^211121212022 is an apocalyptic number.

211121212022 is a deficient number, since it is larger than the sum of its proper divisors (179214933898).

211121212022 is a wasteful number, since it uses less digits than its factorization.

211121212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394 (or 4375 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 211121212022 its reverse (220212121112), we get a palindrome (431333333134).

The spelling of 211121212022 in words is "two hundred eleven billion, one hundred twenty-one million, two hundred twelve thousand, twenty-two".