10012110221220 has 48 divisors (see below), whose sum is σ = 28045643599680. Its totient is φ = 2668778441856.

The previous prime is 10012110221209. The next prime is 10012110221221. The reversal of 10012110221220 is 2212201121001.

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 10012110221220.

It is not an unprimeable number, because it can be changed into a prime (10012110221221) 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, 34781002 + ... + 35067681.

It is an arithmetic number, because the mean of its divisors is an integer number (584284241660).

Almost surely, 2^{10012110221220} is an apocalyptic number.

10012110221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10012110221220 is an abundant number, since it is smaller than the sum of its proper divisors (18033533378460).

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

10012110221220 is a wasteful number, since it uses less digits than its factorization.

10012110221220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69851084 (or 69851082 counting only the distinct ones).

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

Adding to 10012110221220 its reverse (2212201121001), we get a palindrome (12224311342221).

The spelling of 10012110221220 in words is "ten trillion, twelve billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty".