21022133022 has 48 divisors (see below), whose sum is σ = 50745906432. Its totient is φ = 6234801360.

The previous prime is 21022133021. The next prime is 21022133023. The reversal of 21022133022 is 22033122012.

It is an interprime number because it is at equal distance from previous prime (21022133021) and next prime (21022133023).

It is a super-3 number, since 3×21022133022³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 21022132986 and 21022133004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022133021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1120188 + ... + 1138799.

It is an arithmetic number, because the mean of its divisors is an integer number (1057206384).

Almost surely, 2^21022133022 is an apocalyptic number.

21022133022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21022133022 is an abundant number, since it is smaller than the sum of its proper divisors (29723773410).

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

21022133022 is a wasteful number, since it uses less digits than its factorization.

21022133022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259053 (or 2259050 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21022133022 its reverse (22033122012), we get a palindrome (43055255034).

The spelling of 21022133022 in words is "twenty-one billion, twenty-two million, one hundred thirty-three thousand, twenty-two".