212102102011 has 8 divisors (see below), whose sum is σ = 212411628000. Its totient is φ = 211792764288.

The previous prime is 212102101969. The next prime is 212102102053. The reversal of 212102102011 is 110201201212.

It is an interprime number because it is at equal distance from previous prime (212102101969) and next prime (212102102053).

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 212102102011 - 2⁹ = 212102101499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212102101982 and 212102102000.

It is not an unprimeable number, because it can be changed into a prime (212102102111) 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, 2291865 + ... + 2382613.

It is an arithmetic number, because the mean of its divisors is an integer number (26551453500).

Almost surely, 2^212102102011 is an apocalyptic number.

212102102011 is a deficient number, since it is larger than the sum of its proper divisors (309525989).

212102102011 is an equidigital number, since it uses as much as digits as its factorization.

212102102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94133.

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

Adding to 212102102011 its reverse (110201201212), we get a palindrome (322303303223).

The spelling of 212102102011 in words is "two hundred twelve billion, one hundred two million, one hundred two thousand, eleven".