222221210212011 has 8 divisors (see below), whose sum is σ = 296861476486720. Its totient is φ = 147864208705992.

The previous prime is 222221210211989. The next prime is 222221210212019. The reversal of 222221210212011 is 110212012122222.

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

It is not a de Polignac number, because 222221210212011 - 2²¹ = 222221208114859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222221210212019) 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, 70816190341 + ... + 70816193478.

It is an arithmetic number, because the mean of its divisors is an integer number (37107684560840).

Almost surely, 2^{222221210212011} is an apocalyptic number.

222221210212011 is a deficient number, since it is larger than the sum of its proper divisors (74640266274709).

222221210212011 is a wasteful number, since it uses less digits than its factorization.

222221210212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141632384345.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222221210212011 its reverse (110212012122222), we get a palindrome (332433222334233).

The spelling of 222221210212011 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, two hundred ten million, two hundred twelve thousand, eleven".