210122222202 has 64 divisors (see below), whose sum is σ = 472094179200. Its totient is φ = 69269558400.

The previous prime is 210122222197. The next prime is 210122222203. The reversal of 210122222202 is 202222221012.

210122222202 is a `hidden beast` number, since 210 + 12 + 222 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (210122222203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3442324 + ... + 3502832.

It is an arithmetic number, because the mean of its divisors is an integer number (7376471550).

Almost surely, 2^210122222202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210122222202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236047089600).

210122222202 is an abundant number, since it is smaller than the sum of its proper divisors (261971956998).

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

210122222202 is a wasteful number, since it uses less digits than its factorization.

210122222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61228 (or 61222 counting only the distinct ones).

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

Adding to 210122222202 its reverse (202222221012), we get a palindrome (412344443214).

The spelling of 210122222202 in words is "two hundred ten billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred two".