11010112021220 has 24 divisors (see below), whose sum is σ = 24899791802424. Its totient is φ = 4065272130816.

The previous prime is 11010112021217. The next prime is 11010112021291. The reversal of 11010112021220 is 2212021101011.

It can be written as a sum of positive squares in 4 ways, for example, as 259425198244 + 10750686822976 = 509338^2 + 3278824^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11010112021195 and 11010112021204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21173292089 + ... + 21173292608.

It is an arithmetic number, because the mean of its divisors is an integer number (1037491325101).

Almost surely, 2^{11010112021220} is an apocalyptic number.

11010112021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010112021220 is an abundant number, since it is smaller than the sum of its proper divisors (13889679781204).

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

11010112021220 is a wasteful number, since it uses less digits than its factorization.

11010112021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42346584719 (or 42346584717 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11010112021220 its reverse (2212021101011), we get a palindrome (13222133122231).

The spelling of 11010112021220 in words is "eleven trillion, ten billion, one hundred twelve million, twenty-one thousand, two hundred twenty".