222011022109 has 4 divisors (see below), whose sum is σ = 222284772640. Its totient is φ = 221737271580.

The previous prime is 222011022097. The next prime is 222011022127. The reversal of 222011022109 is 901220110222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222011022109 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 222011022109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222011022209) 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, 136874049 + ... + 136875670.

It is an arithmetic number, because the mean of its divisors is an integer number (55571193160).

Almost surely, 2^222011022109 is an apocalyptic number.

It is an amenable number.

222011022109 is a deficient number, since it is larger than the sum of its proper divisors (273750531).

222011022109 is an equidigital number, since it uses as much as digits as its factorization.

222011022109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273750530.

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

The spelling of 222011022109 in words is "two hundred twenty-two billion, eleven million, twenty-two thousand, one hundred nine".