222221122099 has 2 divisors, whose sum is σ = 222221122100. Its totient is φ = 222221122098.

The previous prime is 222221122093. The next prime is 222221122103. The reversal of 222221122099 is 990221122222.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222221122099 - 2²¹ = 222219024947 is a prime.

It is not a weakly prime, because it can be changed into another prime (222221122093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111110561049 + 111110561050.

It is an arithmetic number, because the mean of its divisors is an integer number (111110561050).

Almost surely, 2^222221122099 is an apocalyptic number.

222221122099 is a deficient number, since it is larger than the sum of its proper divisors (1).

222221122099 is an equidigital number, since it uses as much as digits as its factorization.

222221122099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 222221122099 in words is "two hundred twenty-two billion, two hundred twenty-one million, one hundred twenty-two thousand, ninety-nine".