21301122333222 has 32 divisors (see below), whose sum is σ = 48615174098400. Its totient is φ = 6908472107424.

The previous prime is 21301122333163. The next prime is 21301122333277. The reversal of 21301122333222 is 22233322110312.

21301122333222 is a `hidden beast` number, since 2 + 1 + 301 + 1 + 2 + 2 + 3 + 332 + 22 = 666.

It is a super-2 number, since 2×21301122333222² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5330609197 + ... + 5330613192.

It is an arithmetic number, because the mean of its divisors is an integer number (1519224190575).

Almost surely, 2^{21301122333222} is an apocalyptic number.

21301122333222 is an abundant number, since it is smaller than the sum of its proper divisors (27314051765178).

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

21301122333222 is a wasteful number, since it uses less digits than its factorization.

21301122333222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10661222437 (or 10661222431 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21301122333222 its reverse (22233322110312), we get a palindrome (43534444443534).

The spelling of 21301122333222 in words is "twenty-one trillion, three hundred one billion, one hundred twenty-two million, three hundred thirty-three thousand, two hundred twenty-two".