11121122000221 has 8 divisors (see below), whose sum is σ = 11194857558144. Its totient is φ = 11047387570800.

The previous prime is 11121122000143. The next prime is 11121122000239. The reversal of 11121122000221 is 12200022112111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11121122000221 - 2³³ = 11112532065629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121122000195 and 11121122000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121122003221) 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, 30809235 + ... + 31168111.

It is an arithmetic number, because the mean of its divisors is an integer number (1399357194768).

Almost surely, 2^{11121122000221} is an apocalyptic number.

It is an amenable number.

11121122000221 is a deficient number, since it is larger than the sum of its proper divisors (73735557923).

11121122000221 is a wasteful number, since it uses less digits than its factorization.

11121122000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564251.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11121122000221 its reverse (12200022112111), we get a palindrome (23321144112332).

The spelling of 11121122000221 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred twenty-one", and thus it is an aban number.