2021102306 has 8 divisors (see below), whose sum is σ = 3032218560. Its totient is φ = 1010362788.

The previous prime is 2021102269. The next prime is 2021102327. The reversal of 2021102306 is 6032011202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80366 + ... + 102473.

It is an arithmetic number, because the mean of its divisors is an integer number (379027320).

Almost surely, 2^2021102306 is an apocalyptic number.

2021102306 is a deficient number, since it is larger than the sum of its proper divisors (1011116254).

2021102306 is a wasteful number, since it uses less digits than its factorization.

2021102306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188368.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2021102306 is about 44956.6714292773. The cubic root of 2021102306 is about 1264.3367624202.

Adding to 2021102306 its reverse (6032011202), we get a palindrome (8053113508).

The spelling of 2021102306 in words is "two billion, twenty-one million, one hundred two thousand, three hundred six".