21133002022 has 16 divisors (see below), whose sum is σ = 36615469392. Its totient is φ = 9040856320.

The previous prime is 21133002019. The next prime is 21133002041. The reversal of 21133002022 is 22020033112.

It is a junction number, because it is equal to n+sod(n) for n = 21133001987 and 21133002005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28252303 + ... + 28253050.

It is an arithmetic number, because the mean of its divisors is an integer number (2288466837).

Almost surely, 2^21133002022 is an apocalyptic number.

21133002022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21133002022 is a deficient number, since it is larger than the sum of its proper divisors (15482467370).

21133002022 is a wasteful number, since it uses less digits than its factorization.

21133002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56505383.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 21133002022 its reverse (22020033112), we get a palindrome (43153035134).

The spelling of 21133002022 in words is "twenty-one billion, one hundred thirty-three million, two thousand, twenty-two".