222222211021109 has 16 divisors (see below), whose sum is σ = 240925554576000. Its totient is φ = 203748807694656.

The previous prime is 222222211021103. The next prime is 222222211021177. The reversal of 222222211021109 is 901120112222222.

It is a cyclic number.

It is not a de Polignac number, because 222222211021109 - 2³² = 222217916053813 is a prime.

It is a super-2 number, since 2×222222211021109² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222211021103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154318862 + ... + 155752224.

It is an arithmetic number, because the mean of its divisors is an integer number (15057847161000).

Almost surely, 2^{222222211021109} is an apocalyptic number.

It is an amenable number.

222222211021109 is a deficient number, since it is larger than the sum of its proper divisors (18703343554891).

222222211021109 is a wasteful number, since it uses less digits than its factorization.

222222211021109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513564.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 222222211021109 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, twenty-one thousand, one hundred nine".