212111202011 has 8 divisors (see below), whose sum is σ = 215846527248. Its totient is φ = 208407940000.

The previous prime is 212111202001. The next prime is 212111202041. The reversal of 212111202011 is 110202111212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212111202011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212111202001) 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, 8002460 + ... + 8028921.

It is an arithmetic number, because the mean of its divisors is an integer number (26980815906).

Almost surely, 2^212111202011 is an apocalyptic number.

212111202011 is a deficient number, since it is larger than the sum of its proper divisors (3735325237).

212111202011 is a wasteful number, since it uses less digits than its factorization.

212111202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16031613.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212111202011 its reverse (110202111212), we get a palindrome (322313313223).

The spelling of 212111202011 in words is "two hundred twelve billion, one hundred eleven million, two hundred two thousand, eleven".