21021133133222 has 32 divisors (see below), whose sum is σ = 31892946886944. Its totient is φ = 10390480672000.

The previous prime is 21021133133207. The next prime is 21021133133233. The reversal of 21021133133222 is 22233133112012.

It is a junction number, because it is equal to n+sod(n) for n = 21021133133191 and 21021133133200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495257933 + ... + 495300375.

It is an arithmetic number, because the mean of its divisors is an integer number (996654590217).

Almost surely, 2^{21021133133222} is an apocalyptic number.

21021133133222 is a deficient number, since it is larger than the sum of its proper divisors (10871813753722).

21021133133222 is a wasteful number, since it uses less digits than its factorization.

21021133133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46264.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 21021133133222 its reverse (22233133112012), we get a palindrome (43254266245234).

The spelling of 21021133133222 in words is "twenty-one trillion, twenty-one billion, one hundred thirty-three million, one hundred thirty-three thousand, two hundred twenty-two".