21222003260060 has 12 divisors (see below), whose sum is σ = 44566206846168. Its totient is φ = 8488801304016.

The previous prime is 21222003259993. The next prime is 21222003260077. The reversal of 21222003260060 is 6006230022212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530550081482 + ... + 530550081521.

It is an arithmetic number, because the mean of its divisors is an integer number (3713850570514).

Almost surely, 2^{21222003260060} is an apocalyptic number.

21222003260060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21222003260060 is an abundant number, since it is smaller than the sum of its proper divisors (23344203586108).

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

21222003260060 is a wasteful number, since it uses less digits than its factorization.

21222003260060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061100163012 (or 1061100163010 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21222003260060 its reverse (6006230022212), we get a palindrome (27228233282272).

The spelling of 21222003260060 in words is "twenty-one trillion, two hundred twenty-two billion, three million, two hundred sixty thousand, sixty".