212011110011 has 4 divisors (see below), whose sum is σ = 213195529800. Its totient is φ = 210826690224.

The previous prime is 212011109993. The next prime is 212011110029. The reversal of 212011110011 is 110011110212.

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

It is an interprime number because it is at equal distance from previous prime (212011109993) and next prime (212011110029).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212011110011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212011109974 and 212011110001.

It is not an unprimeable number, because it can be changed into a prime (212011110061) 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, 592209626 + ... + 592209983.

It is an arithmetic number, because the mean of its divisors is an integer number (53298882450).

Almost surely, 2^212011110011 is an apocalyptic number.

212011110011 is a deficient number, since it is larger than the sum of its proper divisors (1184419789).

212011110011 is a wasteful number, since it uses less digits than its factorization.

212011110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184419788.

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

Adding to 212011110011 its reverse (110011110212), we get a palindrome (322022220223).

The spelling of 212011110011 in words is "two hundred twelve billion, eleven million, one hundred ten thousand, eleven".