212212200011 has 4 divisors (see below), whose sum is σ = 242528228592. Its totient is φ = 181896171432.

The previous prime is 212212199999. The next prime is 212212200029. The reversal of 212212200011 is 110002212212.

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 212212200011 - 2¹⁰ = 212212198987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212212200041) 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, 15158014280 + ... + 15158014293.

It is an arithmetic number, because the mean of its divisors is an integer number (60632057148).

Almost surely, 2^212212200011 is an apocalyptic number.

212212200011 is a deficient number, since it is larger than the sum of its proper divisors (30316028581).

212212200011 is an equidigital number, since it uses as much as digits as its factorization.

212212200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30316028580.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212212200011 its reverse (110002212212), we get a palindrome (322214412223).

The spelling of 212212200011 in words is "two hundred twelve billion, two hundred twelve million, two hundred thousand, eleven".