21033133022 has 16 divisors (see below), whose sum is σ = 35528108544. Its totient is φ = 9252111000.

The previous prime is 21033133001. The next prime is 21033133039. The reversal of 21033133022 is 22033133012.

It is a super-2 number, since 2×21033133022² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21033132985 and 21033133003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15419504 + ... + 15420867.

It is an arithmetic number, because the mean of its divisors is an integer number (2220506784).

Almost surely, 2^21033133022 is an apocalyptic number.

21033133022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21033133022 is a deficient number, since it is larger than the sum of its proper divisors (14494975522).

21033133022 is a wasteful number, since it uses less digits than its factorization.

21033133022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30840415.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21033133022 its reverse (22033133012), we get a palindrome (43066266034).

The spelling of 21033133022 in words is "twenty-one billion, thirty-three million, one hundred thirty-three thousand, twenty-two".