210010012222122 has 288 divisors, whose sum is σ = 557699766624000. Its totient is φ = 56838033939456.

The previous prime is 210010012222117. The next prime is 210010012222139. The reversal of 210010012222122 is 221222210010012.

It is a happy number.

210010012222122 is a `hidden beast` number, since 210 + 0 + 100 + 12 + 222 + 122 = 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 = 210010012222095 and 210010012222104.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 911192754 + ... + 911423202.

It is an arithmetic number, because the mean of its divisors is an integer number (1936457523000).

Almost surely, 2^{210010012222122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210010012222122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (278849883312000).

210010012222122 is an abundant number, since it is smaller than the sum of its proper divisors (347689754401878).

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

210010012222122 is a wasteful number, since it uses less digits than its factorization.

210010012222122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230930 (or 230920 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210010012222122 its reverse (221222210010012), we get a palindrome (431232222232134).

The spelling of 210010012222122 in words is "two hundred ten trillion, ten billion, twelve million, two hundred twenty-two thousand, one hundred twenty-two".