11212011010220 has 24 divisors (see below), whose sum is σ = 23546843407584. Its totient is φ = 4484495778176.

The previous prime is 11212011010219. The next prime is 11212011010243. The reversal of 11212011010220 is 2201011021211.

It is a junction number, because it is equal to n+sod(n) for n = 11212011010195 and 11212011010204.

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, 18991112 + ... + 19572591.

It is an arithmetic number, because the mean of its divisors is an integer number (981118475316).

Almost surely, 2^{11212011010220} is an apocalyptic number.

11212011010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212011010220 is an abundant number, since it is smaller than the sum of its proper divisors (12334832397364).

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

11212011010220 is a wasteful number, since it uses less digits than its factorization.

11212011010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38578249 (or 38578247 counting only the distinct ones).

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

Adding to 11212011010220 its reverse (2201011021211), we get a palindrome (13413022031431).

The spelling of 11212011010220 in words is "eleven trillion, two hundred twelve billion, eleven million, ten thousand, two hundred twenty".