211102201011212 has 24 divisors (see below), whose sum is σ = 422235870643104. Its totient is φ = 90465628586112.

The previous prime is 211102201011157. The next prime is 211102201011217. The reversal of 211102201011212 is 212110102201112.

It is not an unprimeable number, because it can be changed into a prime (211102201011217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280587443 + ... + 281338794.

It is an arithmetic number, because the mean of its divisors is an integer number (17593161276796).

Almost surely, 2^{211102201011212} is an apocalyptic number.

It is an amenable number.

211102201011212 is an abundant number, since it is smaller than the sum of its proper divisors (211133669631892).

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

211102201011212 is a wasteful number, since it uses less digits than its factorization.

211102201011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561939665 (or 561939663 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211102201011212 its reverse (212110102201112), we get a palindrome (423212303212324).

The spelling of 211102201011212 in words is "two hundred eleven trillion, one hundred two billion, two hundred one million, eleven thousand, two hundred twelve".