21011120302 has 8 divisors (see below), whose sum is σ = 31536056376. Its totient is φ = 10499101512.

The previous prime is 21011120279. The next prime is 21011120327. The reversal of 21011120302 is 20302111012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225253 + ... + 3231760.

It is an arithmetic number, because the mean of its divisors is an integer number (3942007047).

Almost surely, 2^21011120302 is an apocalyptic number.

21011120302 is a deficient number, since it is larger than the sum of its proper divisors (10524936074).

21011120302 is a wasteful number, since it uses less digits than its factorization.

21011120302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6458642.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21011120302 its reverse (20302111012), we get a palindrome (41313231314).

The spelling of 21011120302 in words is "twenty-one billion, eleven million, one hundred twenty thousand, three hundred two".