212202222321011 has 4 divisors (see below), whose sum is σ = 228525470191872. Its totient is φ = 195878974450152.

The previous prime is 212202222320987. The next prime is 212202222321029. The reversal of 212202222321011 is 110123222202212.

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 212202222321011 - 2¹⁸ = 212202222058867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202222321211) 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, 8161623935411 + ... + 8161623935436.

It is an arithmetic number, because the mean of its divisors is an integer number (57131367547968).

Almost surely, 2^{212202222321011} is an apocalyptic number.

212202222321011 is a deficient number, since it is larger than the sum of its proper divisors (16323247870861).

212202222321011 is a wasteful number, since it uses less digits than its factorization.

212202222321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16323247870860.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 212202222321011 its reverse (110123222202212), we get a palindrome (322325444523223).

The spelling of 212202222321011 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-two million, three hundred twenty-one thousand, eleven".