21202231131303 has 8 divisors (see below), whose sum is σ = 29033685873648. Its totient is φ = 13752798571584.

The previous prime is 21202231131287. The next prime is 21202231131307. The reversal of 21202231131303 is 30313113220212.

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

It is not a de Polignac number, because 21202231131303 - 2⁴ = 21202231131287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21202231131307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95505545526 + ... + 95505545747.

It is an arithmetic number, because the mean of its divisors is an integer number (3629210734206).

Almost surely, 2^{21202231131303} is an apocalyptic number.

21202231131303 is a deficient number, since it is larger than the sum of its proper divisors (7831454742345).

21202231131303 is a wasteful number, since it uses less digits than its factorization.

21202231131303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191011091313.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 21202231131303 its reverse (30313113220212), we get a palindrome (51515344351515).

The spelling of 21202231131303 in words is "twenty-one trillion, two hundred two billion, two hundred thirty-one million, one hundred thirty-one thousand, three hundred three".