21322021001022 has 192 divisors, whose sum is σ = 54246732134400. Its totient is φ = 5926956710400.

The previous prime is 21322021001011. The next prime is 21322021001033. The reversal of 21322021001022 is 22010012022312.

21322021001022 is a `hidden beast` number, since 213 + 220 + 210 + 0 + 1 + 0 + 22 = 666.

It is an interprime number because it is at equal distance from previous prime (21322021001011) and next prime (21322021001033).

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 = 21322021000986 and 21322021001004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2445461979 + ... + 2445470697.

It is an arithmetic number, because the mean of its divisors is an integer number (282535063200).

Almost surely, 2^{21322021001022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21322021001022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27123366067200).

21322021001022 is an abundant number, since it is smaller than the sum of its proper divisors (32924711133378).

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

21322021001022 is a wasteful number, since it uses less digits than its factorization.

21322021001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12151 (or 12148 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21322021001022 its reverse (22010012022312), we get a palindrome (43332033023334).

The spelling of 21322021001022 in words is "twenty-one trillion, three hundred twenty-two billion, twenty-one million, one thousand, twenty-two".