21010122223330 has 16 divisors (see below), whose sum is σ = 37818408738240. Its totient is φ = 8404006947952.

The previous prime is 21010122223283. The next prime is 21010122223361. The reversal of 21010122223330 is 3332222101012.

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, 3096904 + ... + 7184083.

It is an arithmetic number, because the mean of its divisors is an integer number (2363650546140).

Almost surely, 2^{21010122223330} is an apocalyptic number.

21010122223330 is a deficient number, since it is larger than the sum of its proper divisors (16808286514910).

21010122223330 is a wasteful number, since it uses less digits than its factorization.

21010122223330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10485353.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21010122223330 its reverse (3332222101012), we get a palindrome (24342344324342).

The spelling of 21010122223330 in words is "twenty-one trillion, ten billion, one hundred twenty-two million, two hundred twenty-three thousand, three hundred thirty".