11010212021220 has 48 divisors (see below), whose sum is σ = 32642040348288. Its totient is φ = 2763347330560.

The previous prime is 11010212021197. The next prime is 11010212021243. The reversal of 11010212021220 is 2212021201011.

It is an interprime number because it is at equal distance from previous prime (11010212021197) and next prime (11010212021243).

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 11010212021220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5397161736 + ... + 5397163775.

It is an arithmetic number, because the mean of its divisors is an integer number (680042507256).

Almost surely, 2^{11010212021220} is an apocalyptic number.

11010212021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010212021220 is an abundant number, since it is smaller than the sum of its proper divisors (21631828327068).

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

11010212021220 is a wasteful number, since it uses less digits than its factorization.

11010212021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10794325540 (or 10794325538 counting only the distinct ones).

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

Adding to 11010212021220 its reverse (2212021201011), we get a palindrome (13222233222231).

The spelling of 11010212021220 in words is "eleven trillion, ten billion, two hundred twelve million, twenty-one thousand, two hundred twenty".