11201220222000 has 80 divisors (see below), whose sum is σ = 36112734015072. Its totient is φ = 2986992057600.

The previous prime is 11201220221963. The next prime is 11201220222041. The reversal of 11201220222000 is 22202210211.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 933429019 + ... + 933441018.

Almost surely, 2^{11201220222000} is an apocalyptic number.

11201220222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201220222000 is an abundant number, since it is smaller than the sum of its proper divisors (24911513793072).

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

11201220222000 is a wasteful number, since it uses less digits than its factorization.

11201220222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866870063 (or 1866870047 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 11201220222000 its reverse (22202210211), we get a palindrome (11223422432211).

The spelling of 11201220222000 in words is "eleven trillion, two hundred one billion, two hundred twenty million, two hundred twenty-two thousand".