11200022001220 has 24 divisors (see below), whose sum is σ = 25329280526424. Its totient is φ = 4135392738816.

The previous prime is 11200022001193. The next prime is 11200022001239. The reversal of 11200022001220 is 2210022000211.

It is a happy number.

11200022001220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2572020477504 + 8628001523716 = 1603752^2 + 2937346^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 11200022001220.

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, 21538503589 + ... + 21538504108.

It is an arithmetic number, because the mean of its divisors is an integer number (1055386688601).

Almost surely, 2^{11200022001220} is an apocalyptic number.

11200022001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200022001220 is an abundant number, since it is smaller than the sum of its proper divisors (14129258525204).

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

11200022001220 is a wasteful number, since it uses less digits than its factorization.

11200022001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43077007719 (or 43077007717 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11200022001220 its reverse (2210022000211), we get a palindrome (13410044001431).

The spelling of 11200022001220 in words is "eleven trillion, two hundred billion, twenty-two million, one thousand, two hundred twenty".