210220200022122 has 96 divisors (see below), whose sum is σ = 480126415811328. Its totient is φ = 66346571985408.

The previous prime is 210220200022121. The next prime is 210220200022127. The reversal of 210220200022122 is 221220002022012.

210220200022122 is a `hidden beast` number, since 2 + 1 + 0 + 220 + 200 + 0 + 221 + 22 = 666.

210220200022122 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 = 210220200022095 and 210220200022104.

It is not an unprimeable number, because it can be changed into a prime (210220200022121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10945698 + ... + 23243250.

It is an arithmetic number, because the mean of its divisors is an integer number (5001316831368).

Almost surely, 2^{210220200022122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210220200022122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240063207905664).

210220200022122 is an abundant number, since it is smaller than the sum of its proper divisors (269906215789206).

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

210220200022122 is a wasteful number, since it uses less digits than its factorization.

210220200022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12298004 (or 12298001 counting only the distinct ones).

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

Adding to 210220200022122 its reverse (221220002022012), we get a palindrome (431440202044134).

The spelling of 210220200022122 in words is "two hundred ten trillion, two hundred twenty billion, two hundred million, twenty-two thousand, one hundred twenty-two".