212010221105 has 8 divisors (see below), whose sum is σ = 254699093952. Its totient is φ = 169416957808.

The previous prime is 212010221057. The next prime is 212010221107. The reversal of 212010221105 is 501122010212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212010221105 - 2¹⁶ = 212010155569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212010221107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23897507 + ... + 23906376.

It is an arithmetic number, because the mean of its divisors is an integer number (31837386744).

Almost surely, 2^212010221105 is an apocalyptic number.

It is an amenable number.

212010221105 is a deficient number, since it is larger than the sum of its proper divisors (42688872847).

212010221105 is an equidigital number, since it uses as much as digits as its factorization.

212010221105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47804775.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 212010221105 its reverse (501122010212), we get a palindrome (713132231317).

The spelling of 212010221105 in words is "two hundred twelve billion, ten million, two hundred twenty-one thousand, one hundred five".