10202112210220 has 96 divisors (see below), whose sum is σ = 25927656128640. Its totient is φ = 3291819540480.

The previous prime is 10202112210217. The next prime is 10202112210221. The reversal of 10202112210220 is 2201221120201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10202112210194 and 10202112210203.

It is not an unprimeable number, because it can be changed into a prime (10202112210221) 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, 27636460 + ... + 28003180.

It is an arithmetic number, because the mean of its divisors is an integer number (270079751340).

Almost surely, 2^{10202112210220} is an apocalyptic number.

10202112210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10202112210220 is an abundant number, since it is smaller than the sum of its proper divisors (15725543918420).

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

10202112210220 is a wasteful number, since it uses less digits than its factorization.

10202112210220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378443 (or 378441 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10202112210220 its reverse (2201221120201), we get a palindrome (12403333330421).

The spelling of 10202112210220 in words is "ten trillion, two hundred two billion, one hundred twelve million, two hundred ten thousand, two hundred twenty".