10212110220 has 48 divisors (see below), whose sum is σ = 30793442400. Its totient is φ = 2513750016.

The previous prime is 10212110213. The next prime is 10212110221. The reversal of 10212110220 is 2201121201.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10212110196 and 10212110205.

It is not an unprimeable number, because it can be changed into a prime (10212110221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6545445 + ... + 6547004.

It is an arithmetic number, because the mean of its divisors is an integer number (641530050).

Almost surely, 2^10212110220 is an apocalyptic number.

10212110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10212110220 is an abundant number, since it is smaller than the sum of its proper divisors (20581332180).

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

10212110220 is a wasteful number, since it uses less digits than its factorization.

10212110220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13092474 (or 13092472 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10212110220 its reverse (2201121201), we get a palindrome (12413231421).

The spelling of 10212110220 in words is "ten billion, two hundred twelve million, one hundred ten thousand, two hundred twenty".