11012211002220 has 24 divisors (see below), whose sum is σ = 30834190806384. Its totient is φ = 2936589600576.

The previous prime is 11012211002179. The next prime is 11012211002251. The reversal of 11012211002220 is 2220011221011.

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 11012211002220.

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, 91768424959 + ... + 91768425078.

It is an arithmetic number, because the mean of its divisors is an integer number (1284757950266).

Almost surely, 2^{11012211002220} is an apocalyptic number.

11012211002220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012211002220 is an abundant number, since it is smaller than the sum of its proper divisors (19821979804164).

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

11012211002220 is a wasteful number, since it uses less digits than its factorization.

11012211002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183536850049 (or 183536850047 counting only the distinct ones).

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

Adding to 11012211002220 its reverse (2220011221011), we get a palindrome (13232222223231).

The spelling of 11012211002220 in words is "eleven trillion, twelve billion, two hundred eleven million, two thousand, two hundred twenty".