212021201110218 has 32 divisors (see below), whose sum is σ = 428703359525376. Its totient is φ = 69898651206768.

The previous prime is 212021201110217. The next prime is 212021201110283. The reversal of 212021201110218 is 812011102120212.

It is not an unprimeable number, because it can be changed into a prime (212021201110217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217478296 + ... + 218451027.

It is an arithmetic number, because the mean of its divisors is an integer number (13396979985168).

Almost surely, 2^{212021201110218} is an apocalyptic number.

212021201110218 is an abundant number, since it is smaller than the sum of its proper divisors (216682158415158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212021201110218 is a wasteful number, since it uses less digits than its factorization.

212021201110218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435930218.

The product of its (nonzero) digits is 256, while the sum is 24.

The spelling of 212021201110218 in words is "two hundred twelve trillion, twenty-one billion, two hundred one million, one hundred ten thousand, two hundred eighteen".