10212101220210 has 128 divisors (see below), whose sum is σ = 26084329931520. Its totient is φ = 2551465598976.

The previous prime is 10212101220161. The next prime is 10212101220331. The reversal of 10212101220210 is 1202210121201.

It is a super-2 number, since 2×10212101220210² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10212101220210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29261904 + ... + 29608836.

It is an arithmetic number, because the mean of its divisors is an integer number (203783827590).

Almost surely, 2^{10212101220210} is an apocalyptic number.

10212101220210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212101220210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13042164965760).

10212101220210 is an abundant number, since it is smaller than the sum of its proper divisors (15872228711310).

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

10212101220210 is a wasteful number, since it uses less digits than its factorization.

10212101220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347532.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10212101220210 its reverse (1202210121201), we get a palindrome (11414311341411).

The spelling of 10212101220210 in words is "ten trillion, two hundred twelve billion, one hundred one million, two hundred twenty thousand, two hundred ten".