21022101020022 has 8 divisors (see below), whose sum is σ = 42044202040056. Its totient is φ = 7007367006672.

The previous prime is 21022101019993. The next prime is 21022101020051. The reversal of 21022101020022 is 22002010122012.

It is an interprime number because it is at equal distance from previous prime (21022101019993) and next prime (21022101020051).

It is a sphenic number, since it is the product of 3 distinct primes.

21022101020022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 21022101019983 and 21022101020010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751841751663 + ... + 1751841751674.

It is an arithmetic number, because the mean of its divisors is an integer number (5255525255007).

Almost surely, 2^{21022101020022} is an apocalyptic number.

21022101020022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

21022101020022 is a wasteful number, since it uses less digits than its factorization.

21022101020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503683503342.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21022101020022 its reverse (22002010122012), we get a palindrome (43024111142034).

The spelling of 21022101020022 in words is "twenty-one trillion, twenty-two billion, one hundred one million, twenty thousand, twenty-two".