21310330223202 has 16 divisors (see below), whose sum is σ = 43034453267520. Its totient is φ = 7034477937552.

The previous prime is 21310330223137. The next prime is 21310330223207. The reversal of 21310330223202 is 20232203301312.

It is not an unprimeable number, because it can be changed into a prime (21310330223207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17241366877 + ... + 17241368112.

It is an arithmetic number, because the mean of its divisors is an integer number (2689653329220).

Almost surely, 2^{21310330223202} is an apocalyptic number.

21310330223202 is an abundant number, since it is smaller than the sum of its proper divisors (21724123044318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21310330223202 is a wasteful number, since it uses less digits than its factorization.

21310330223202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34482735097.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21310330223202 its reverse (20232203301312), we get a palindrome (41542533524514).

The spelling of 21310330223202 in words is "twenty-one trillion, three hundred ten billion, three hundred thirty million, two hundred twenty-three thousand, two hundred two".