222013021211 has 4 divisors (see below), whose sum is σ = 235072610712. Its totient is φ = 208953431712.

The previous prime is 222013021187. The next prime is 222013021213. The reversal of 222013021211 is 112120310222.

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

It is not a de Polignac number, because 222013021211 - 2¹⁴ = 222013004827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 13059589483 = 222013021211 / (2 + 2 + 2 + 0 + 1 + 3 + 0 + 2 + 1 + 2 + 1 + 1).

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 222013021211.

It is not an unprimeable number, because it can be changed into a prime (222013021213) 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, 6529794725 + ... + 6529794758.

It is an arithmetic number, because the mean of its divisors is an integer number (58768152678).

Almost surely, 2^222013021211 is an apocalyptic number.

222013021211 is a deficient number, since it is larger than the sum of its proper divisors (13059589501).

222013021211 is a wasteful number, since it uses less digits than its factorization.

222013021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13059589500.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 222013021211 its reverse (112120310222), we get a palindrome (334133331433).

The spelling of 222013021211 in words is "two hundred twenty-two billion, thirteen million, twenty-one thousand, two hundred eleven".