21133302213222 has 32 divisors (see below), whose sum is σ = 47077717557600. Its totient is φ = 7027210508544.

The previous prime is 21133302213217. The next prime is 21133302213239. The reversal of 21133302213222 is 22231220333112.

21133302213222 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 330 + 2 + 2 + 1 + 322 + 2 = 666.

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, 478410003 + ... + 478454174.

It is an arithmetic number, because the mean of its divisors is an integer number (1471178673675).

Almost surely, 2^{21133302213222} is an apocalyptic number.

21133302213222 is an abundant number, since it is smaller than the sum of its proper divisors (25944415344378).

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

21133302213222 is a wasteful number, since it uses less digits than its factorization.

21133302213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956864597 (or 956864591 counting only the distinct ones).

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

Adding to 21133302213222 its reverse (22231220333112), we get a palindrome (43364522546334).

The spelling of 21133302213222 in words is "twenty-one trillion, one hundred thirty-three billion, three hundred two million, two hundred thirteen thousand, two hundred twenty-two".