221123120299 has 2 divisors, whose sum is σ = 221123120300. Its totient is φ = 221123120298.

The previous prime is 221123120177. The next prime is 221123120303. The reversal of 221123120299 is 992021321122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 221123120299 - 2⁹ = 221123119787 is a prime.

It is not a weakly prime, because it can be changed into another prime (221123126299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110561560149 + 110561560150.

It is an arithmetic number, because the mean of its divisors is an integer number (110561560150).

Almost surely, 2^221123120299 is an apocalyptic number.

221123120299 is a deficient number, since it is larger than the sum of its proper divisors (1).

221123120299 is an equidigital number, since it uses as much as digits as its factorization.

221123120299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 221123120299 in words is "two hundred twenty-one billion, one hundred twenty-three million, one hundred twenty thousand, two hundred ninety-nine".