11222001202220 has 24 divisors (see below), whose sum is σ = 24010847857584. Its totient is φ = 4404106131776.

The previous prime is 11222001202169. The next prime is 11222001202229. The reversal of 11222001202220 is 2220210022211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11222001202229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5293395734 + ... + 5293397853.

It is an arithmetic number, because the mean of its divisors is an integer number (1000451994066).

Almost surely, 2^{11222001202220} is an apocalyptic number.

11222001202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222001202220 is an abundant number, since it is smaller than the sum of its proper divisors (12788846655364).

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

11222001202220 is a wasteful number, since it uses less digits than its factorization.

11222001202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10586793649 (or 10586793647 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11222001202220 its reverse (2220210022211), we get a palindrome (13442211224431).

The spelling of 11222001202220 in words is "eleven trillion, two hundred twenty-two billion, one million, two hundred two thousand, two hundred twenty".