220102210249 has 2 divisors, whose sum is σ = 220102210250. Its totient is φ = 220102210248.

The previous prime is 220102210219. The next prime is 220102210261. The reversal of 220102210249 is 942012201022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115793881225 + 104308329024 = 340285^2 + 322968^2 .

It is a cyclic number.

It is not a de Polignac number, because 220102210249 - 2⁵ = 220102210217 is a prime.

It is not a weakly prime, because it can be changed into another prime (220102210219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051105124 + 110051105125.

It is an arithmetic number, because the mean of its divisors is an integer number (110051105125).

Almost surely, 2^220102210249 is an apocalyptic number.

It is an amenable number.

220102210249 is a deficient number, since it is larger than the sum of its proper divisors (1).

220102210249 is an equidigital number, since it uses as much as digits as its factorization.

220102210249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 220102210249 in words is "two hundred twenty billion, one hundred two million, two hundred ten thousand, two hundred forty-nine".