102010220033209 has 4 divisors (see below), whose sum is σ = 103682518722340. Its totient is φ = 100337921344080.

The previous prime is 102010220033159. The next prime is 102010220033219. The reversal of 102010220033209 is 902330022010201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48188628890809 + 53821591142400 = 6941803^2 + 7336320^2 .

It is a cyclic number.

It is not a de Polignac number, because 102010220033209 - 2¹³ = 102010220025017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102010220033219) 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, 836149344474 + ... + 836149344595.

It is an arithmetic number, because the mean of its divisors is an integer number (25920629680585).

Almost surely, 2^{102010220033209} is an apocalyptic number.

It is an amenable number.

102010220033209 is a deficient number, since it is larger than the sum of its proper divisors (1672298689131).

102010220033209 is an equidigital number, since it uses as much as digits as its factorization.

102010220033209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672298689130.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 102010220033209 in words is "one hundred two trillion, ten billion, two hundred twenty million, thirty-three thousand, two hundred nine".