11200221121122 has 64 divisors (see below), whose sum is σ = 28088328873600. Its totient is φ = 3276971691840.

The previous prime is 11200221121121. The next prime is 11200221121153. The reversal of 11200221121122 is 22112112200211.

11200221121122 is a `hidden beast` number, since 1 + 1 + 200 + 221 + 121 + 122 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11200221121095 and 11200221121104.

It is not an unprimeable number, because it can be changed into a prime (11200221121121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 325079173 + ... + 325113624.

It is an arithmetic number, because the mean of its divisors is an integer number (438880138650).

Almost surely, 2^{11200221121122} is an apocalyptic number.

11200221121122 is an abundant number, since it is smaller than the sum of its proper divisors (16888107752478).

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

11200221121122 is a wasteful number, since it uses less digits than its factorization.

11200221121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650192848 (or 650192842 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11200221121122 its reverse (22112112200211), we get a palindrome (33312333321333).

The spelling of 11200221121122 in words is "eleven trillion, two hundred billion, two hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-two".