212110011011 has 4 divisors (see below), whose sum is σ = 212275852800. Its totient is φ = 211944169224.

The previous prime is 212110010971. The next prime is 212110011121. The reversal of 212110011011 is 110110011212.

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

It is a cyclic number.

It is not a de Polignac number, because 212110011011 - 2¹⁴ = 212109994627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212110010983 and 212110011001.

It is not an unprimeable number, because it can be changed into a prime (212110011811) 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, 82918976 + ... + 82921533.

It is an arithmetic number, because the mean of its divisors is an integer number (53068963200).

Almost surely, 2^212110011011 is an apocalyptic number.

212110011011 is a deficient number, since it is larger than the sum of its proper divisors (165841789).

212110011011 is a wasteful number, since it uses less digits than its factorization.

212110011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165841788.

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

Adding to 212110011011 its reverse (110110011212), we get a palindrome (322220022223).

The spelling of 212110011011 in words is "two hundred twelve billion, one hundred ten million, eleven thousand, eleven".