212101101011 has 8 divisors (see below), whose sum is σ = 212297147904. Its totient is φ = 211905108360.

The previous prime is 212101100999. The next prime is 212101101053. The reversal of 212101101011 is 110101101212.

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 212101101011 - 2³⁰ = 211027359187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212101100983 and 212101101001.

It is not an unprimeable number, because it can be changed into a prime (212101101061) 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, 14148626 + ... + 14163608.

It is an arithmetic number, because the mean of its divisors is an integer number (26537143488).

Almost surely, 2^212101101011 is an apocalyptic number.

212101101011 is a deficient number, since it is larger than the sum of its proper divisors (196046893).

212101101011 is a wasteful number, since it uses less digits than its factorization.

212101101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27121.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 212101101011 its reverse (110101101212), we get a palindrome (322202202223).

The spelling of 212101101011 in words is "two hundred twelve billion, one hundred one million, one hundred one thousand, eleven".