11120021211121 has 8 divisors (see below), whose sum is σ = 11125391224640. Its totient is φ = 11114651494512.

The previous prime is 11120021211083. The next prime is 11120021211133. The reversal of 11120021211121 is 12111212002111.

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 11120021211121 - 2¹⁹ = 11120020686833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11120021211095 and 11120021211104.

It is not an unprimeable number, because it can be changed into a prime (11120021211161) 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, 122910820 + ... + 123001258.

It is an arithmetic number, because the mean of its divisors is an integer number (1390673903080).

Almost surely, 2^{11120021211121} is an apocalyptic number.

It is an amenable number.

11120021211121 is a deficient number, since it is larger than the sum of its proper divisors (5370013519).

11120021211121 is an equidigital number, since it uses as much as digits as its factorization.

11120021211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148455.

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

Adding to 11120021211121 its reverse (12111212002111), we get a palindrome (23231233213232).

The spelling of 11120021211121 in words is "eleven trillion, one hundred twenty billion, twenty-one million, two hundred eleven thousand, one hundred twenty-one".