222121702079 has 2 divisors, whose sum is σ = 222121702080. Its totient is φ = 222121702078.

The previous prime is 222121702069. The next prime is 222121702093. The reversal of 222121702079 is 970207121222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222121702079 - 2⁴ = 222121702063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222121702039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060851039 + 111060851040.

It is an arithmetic number, because the mean of its divisors is an integer number (111060851040).

Almost surely, 2^222121702079 is an apocalyptic number.

222121702079 is a deficient number, since it is larger than the sum of its proper divisors (1).

222121702079 is an equidigital number, since it uses as much as digits as its factorization.

222121702079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 222121702079 in words is "two hundred twenty-two billion, one hundred twenty-one million, seven hundred two thousand, seventy-nine".