21333220122202 has 16 divisors (see below), whose sum is σ = 33895517964480. Its totient is φ = 10035208387008.

The previous prime is 21333220122173. The next prime is 21333220122281. The reversal of 21333220122202 is 20222102233312.

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, 123475638 + ... + 123648289.

It is an arithmetic number, because the mean of its divisors is an integer number (2118469872780).

Almost surely, 2^{21333220122202} is an apocalyptic number.

21333220122202 is a deficient number, since it is larger than the sum of its proper divisors (12562297842278).

21333220122202 is a wasteful number, since it uses less digits than its factorization.

21333220122202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247126485.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 21333220122202 its reverse (20222102233312), we get a palindrome (41555322355514).

The spelling of 21333220122202 in words is "twenty-one trillion, three hundred thirty-three billion, two hundred twenty million, one hundred twenty-two thousand, two hundred two".