211002101212 has 96 divisors (see below), whose sum is σ = 447675540480. Its totient is φ = 85004536320.

The previous prime is 211002101207. The next prime is 211002101221. The reversal of 211002101212 is 212101200112.

It is a junction number, because it is equal to n+sod(n) for n = 211002101192 and 211002101201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58724088 + ... + 58727680.

It is an arithmetic number, because the mean of its divisors is an integer number (4663286880).

Almost surely, 2^211002101212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211002101212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223837770240).

211002101212 is an abundant number, since it is smaller than the sum of its proper divisors (236673439268).

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

211002101212 is a wasteful number, since it uses less digits than its factorization.

211002101212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4451 (or 4449 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211002101212 its reverse (212101200112), we get a palindrome (423103301324).

The spelling of 211002101212 in words is "two hundred eleven billion, two million, one hundred one thousand, two hundred twelve".