212002010011 has 4 divisors (see below), whose sum is σ = 231274920024. Its totient is φ = 192729100000.

The previous prime is 212002009993. The next prime is 212002010023. The reversal of 212002010011 is 110010200212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212002010011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212002010011.

It is not an unprimeable number, because it can be changed into a prime (212002010071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9636454990 + ... + 9636455011.

It is an arithmetic number, because the mean of its divisors is an integer number (57818730006).

Almost surely, 2^212002010011 is an apocalyptic number.

212002010011 is a deficient number, since it is larger than the sum of its proper divisors (19272910013).

212002010011 is a wasteful number, since it uses less digits than its factorization.

212002010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19272910012.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 212002010011 its reverse (110010200212), we get a palindrome (322012210223).

The spelling of 212002010011 in words is "two hundred twelve billion, two million, ten thousand, eleven".