10012211102220 has 96 divisors (see below), whose sum is σ = 28801808437248. Its totient is φ = 2596866354432.

The previous prime is 10012211102147. The next prime is 10012211102303. The reversal of 10012211102220 is 2220111221001.

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 10012211102220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5667877 + ... + 7221443.

It is an arithmetic number, because the mean of its divisors is an integer number (300018837888).

Almost surely, 2^{10012211102220} is an apocalyptic number.

10012211102220 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 10012211102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14400904218624).

10012211102220 is an abundant number, since it is smaller than the sum of its proper divisors (18789597335028).

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

10012211102220 is a wasteful number, since it uses less digits than its factorization.

10012211102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556519 (or 1556517 counting only the distinct ones).

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

Adding to 10012211102220 its reverse (2220111221001), we get a palindrome (12232322323221).

The spelling of 10012211102220 in words is "ten trillion, twelve billion, two hundred eleven million, one hundred two thousand, two hundred twenty".