2121018302 has 16 divisors (see below), whose sum is σ = 3427160352. Its totient is φ = 978674400.

The previous prime is 2121018299. The next prime is 2121018313. The reversal of 2121018302 is 2038101212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120488 + ... + 136964.

It is an arithmetic number, because the mean of its divisors is an integer number (214197522).

Almost surely, 2^2121018302 is an apocalyptic number.

2121018302 is a deficient number, since it is larger than the sum of its proper divisors (1306142050).

2121018302 is a wasteful number, since it uses less digits than its factorization.

2121018302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21443.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2121018302 is about 46054.5144584111. The cubic root of 2121018302 is about 1284.8373076488.

Adding to 2121018302 its reverse (2038101212), we get a palindrome (4159119514).

The spelling of 2121018302 in words is "two billion, one hundred twenty-one million, eighteen thousand, three hundred two".