212222202011011 has 4 divisors (see below), whose sum is σ = 212237175721792. Its totient is φ = 212207228300232.

The previous prime is 212222202011009. The next prime is 212222202011023. The reversal of 212222202011011 is 110110202222212.

212222202011011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 212222202011011 - 2¹ = 212222202011009 is a prime.

It is a super-2 number, since 2×212222202011011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212222202011011.

It is not an unprimeable number, because it can be changed into a prime (212222202015011) 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, 7486834131 + ... + 7486862476.

It is an arithmetic number, because the mean of its divisors is an integer number (53059293930448).

Almost surely, 2^{212222202011011} is an apocalyptic number.

212222202011011 is a deficient number, since it is larger than the sum of its proper divisors (14973710781).

212222202011011 is a wasteful number, since it uses less digits than its factorization.

212222202011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14973710780.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212222202011011 its reverse (110110202222212), we get a palindrome (322332404233223).

The spelling of 212222202011011 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred two million, eleven thousand, eleven".