10212110111320 has 128 divisors (see below), whose sum is σ = 24883160783040. Its totient is φ = 3749561303040.

The previous prime is 10212110111263. The next prime is 10212110111353. The reversal of 10212110111320 is 2311101121201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10212110111294 and 10212110111303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130856952 + ... + 130934968.

Almost surely, 2^{10212110111320} is an apocalyptic number.

10212110111320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10212110111320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12441580391520).

10212110111320 is an abundant number, since it is smaller than the sum of its proper divisors (14671050671720).

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

10212110111320 is a wasteful number, since it uses less digits than its factorization.

10212110111320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79445 (or 79441 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 10212110111320 its reverse (2311101121201), we get a palindrome (12523211232521).

The spelling of 10212110111320 in words is "ten trillion, two hundred twelve billion, one hundred ten million, one hundred eleven thousand, three hundred twenty".