222012201109 has 4 divisors (see below), whose sum is σ = 222018031116. Its totient is φ = 222006371104.

The previous prime is 222012201071. The next prime is 222012201113. The reversal of 222012201109 is 901102210222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 73693246225 + 148318954884 = 271465^2 + 385122^2 .

It is a cyclic number.

It is not a de Polignac number, because 222012201109 - 2¹⁵ = 222012168341 is a prime.

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 222012201109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012201809) 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, 2857504 + ... + 2934169.

It is an arithmetic number, because the mean of its divisors is an integer number (55504507779).

Almost surely, 2^222012201109 is an apocalyptic number.

It is an amenable number.

222012201109 is a deficient number, since it is larger than the sum of its proper divisors (5830007).

222012201109 is an equidigital number, since it uses as much as digits as its factorization.

222012201109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5830006.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 222012201109 in words is "two hundred twenty-two billion, twelve million, two hundred one thousand, one hundred nine".