11000012120220 has 48 divisors (see below), whose sum is σ = 30801387996288. Its totient is φ = 2933207607360.

The previous prime is 11000012120219. The next prime is 11000012120221. The reversal of 11000012120220 is 2202121000011.

It is an interprime number because it is at equal distance from previous prime (11000012120219) and next prime (11000012120221).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11000012120196 and 11000012120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000012120221) 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, 2649874 + ... + 5387193.

It is an arithmetic number, because the mean of its divisors is an integer number (641695583256).

Almost surely, 2^{11000012120220} is an apocalyptic number.

11000012120220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000012120220 is an abundant number, since it is smaller than the sum of its proper divisors (19801375876068).

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

11000012120220 is a wasteful number, since it uses less digits than its factorization.

11000012120220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8059890 (or 8059888 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11000012120220 its reverse (2202121000011), we get a palindrome (13202133120231).

The spelling of 11000012120220 in words is "eleven trillion, twelve million, one hundred twenty thousand, two hundred twenty".