101102102209 has 4 divisors (see below), whose sum is σ = 101115964804. Its totient is φ = 101088239616.

The previous prime is 101102102207. The next prime is 101102102243. The reversal of 101102102209 is 902201201101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 902201201101 = 929 ⋅971153069.

It can be written as a sum of positive squares in 2 ways, for example, as 76485433600 + 24616668609 = 276560^2 + 156897^2 .

It is a cyclic number.

It is not a de Polignac number, because 101102102209 - 2¹ = 101102102207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101102102201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6920352 + ... + 6934945.

It is an arithmetic number, because the mean of its divisors is an integer number (25278991201).

Almost surely, 2^101102102209 is an apocalyptic number.

It is an amenable number.

101102102209 is a deficient number, since it is larger than the sum of its proper divisors (13862595).

101102102209 is an equidigital number, since it uses as much as digits as its factorization.

101102102209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13862594.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 101102102209 in words is "one hundred one billion, one hundred two million, one hundred two thousand, two hundred nine".