101420102209 has 2 divisors, whose sum is σ = 101420102210. Its totient is φ = 101420102208.

The previous prime is 101420102207. The next prime is 101420102219. The reversal of 101420102209 is 902201024101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66785031184 + 34635071025 = 258428^2 + 186105^2 .

It is a cyclic number.

It is not a de Polignac number, because 101420102209 - 2¹ = 101420102207 is a prime.

Together with 101420102207, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 101420102209.

It is not a weakly prime, because it can be changed into another prime (101420102207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50710051104 + 50710051105.

It is an arithmetic number, because the mean of its divisors is an integer number (50710051105).

Almost surely, 2^101420102209 is an apocalyptic number.

It is an amenable number.

101420102209 is a deficient number, since it is larger than the sum of its proper divisors (1).

101420102209 is an equidigital number, since it uses as much as digits as its factorization.

101420102209 is an evil number, because the sum of its binary digits is even.

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

The spelling of 101420102209 in words is "one hundred one billion, four hundred twenty million, one hundred two thousand, two hundred nine".