212022210011 has 4 divisors (see below), whose sum is σ = 221240566992. Its totient is φ = 202803853032.

The previous prime is 212022209989. The next prime is 212022210013. The reversal of 212022210011 is 110012220212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212022210011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212022210013) 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, 4609178456 + ... + 4609178501.

It is an arithmetic number, because the mean of its divisors is an integer number (55310141748).

Almost surely, 2^212022210011 is an apocalyptic number.

212022210011 is a deficient number, since it is larger than the sum of its proper divisors (9218356981).

212022210011 is an equidigital number, since it uses as much as digits as its factorization.

212022210011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9218356980.

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

Adding to 212022210011 its reverse (110012220212), we get a palindrome (322034430223).

The spelling of 212022210011 in words is "two hundred twelve billion, twenty-two million, two hundred ten thousand, eleven".