21002222103310 has 64 divisors (see below), whose sum is σ = 43395777423360. Its totient is φ = 7168908660480.

The previous prime is 21002222103277. The next prime is 21002222103347. The reversal of 21002222103310 is 1330122220012.

It is a super-2 number, since 2×21002222103310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70401565 + ... + 70699255.

It is an arithmetic number, because the mean of its divisors is an integer number (678059022240).

Almost surely, 2^{21002222103310} is an apocalyptic number.

21002222103310 is an abundant number, since it is smaller than the sum of its proper divisors (22393555320050).

21002222103310 is a wasteful number, since it uses less digits than its factorization.

21002222103310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302161.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 21002222103310 its reverse (1330122220012), we get a palindrome (22332344323322).

The spelling of 21002222103310 in words is "twenty-one trillion, two billion, two hundred twenty-two million, one hundred three thousand, three hundred ten".