21022012200022 has 32 divisors (see below), whose sum is σ = 33335296178400. Its totient is φ = 9915044444928.

The previous prime is 21022012199921. The next prime is 21022012200023. The reversal of 21022012200022 is 22000221022012.

It is a junction number, because it is equal to n+sod(n) for n = 21022012199969 and 21022012200005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21022012200023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17121378 + ... + 18308074.

It is an arithmetic number, because the mean of its divisors is an integer number (1041728005575).

Almost surely, 2^{21022012200022} is an apocalyptic number.

21022012200022 is a deficient number, since it is larger than the sum of its proper divisors (12313283978378).

21022012200022 is a wasteful number, since it uses less digits than its factorization.

21022012200022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188720.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 21022012200022 its reverse (22000221022012), we get a palindrome (43022233222034).

The spelling of 21022012200022 in words is "twenty-one trillion, twenty-two billion, twelve million, two hundred thousand, twenty-two".