210022020021222 has 24 divisors (see below), whose sum is σ = 455063933296440. Its totient is φ = 70004844122400.

The previous prime is 210022020021221. The next prime is 210022020021259. The reversal of 210022020021222 is 222120020220012.

210022020021222 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 220 + 200 + 21 + 222 = 666.

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 = 210022020021195 and 210022020021204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022020021221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207471447 + ... + 208481282.

It is an arithmetic number, because the mean of its divisors is an integer number (18960997220685).

Almost surely, 2^{210022020021222} is an apocalyptic number.

210022020021222 is an abundant number, since it is smaller than the sum of its proper divisors (245041913275218).

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

210022020021222 is a wasteful number, since it uses less digits than its factorization.

210022020021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415980788 (or 415980785 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 210022020021222 its reverse (222120020220012), we get a palindrome (432142040241234).

The spelling of 210022020021222 in words is "two hundred ten trillion, twenty-two billion, twenty million, twenty-one thousand, two hundred twenty-two".