11120211211121 has 8 divisors (see below), whose sum is σ = 11132882853120. Its totient is φ = 11107546683408.

The previous prime is 11120211211099. The next prime is 11120211211127. The reversal of 11120211211121 is 12111211202111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11120211211121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11120211211121.

It is not an unprimeable number, because it can be changed into a prime (11120211211127) 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, 1352510 + ... + 4906088.

It is an arithmetic number, because the mean of its divisors is an integer number (1391610356640).

Almost surely, 2^{11120211211121} is an apocalyptic number.

It is an amenable number.

11120211211121 is a deficient number, since it is larger than the sum of its proper divisors (12671641999).

11120211211121 is a wasteful number, since it uses less digits than its factorization.

11120211211121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3557143.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11120211211121 its reverse (12111211202111), we get a palindrome (23231422413232).

The spelling of 11120211211121 in words is "eleven trillion, one hundred twenty billion, two hundred eleven million, two hundred eleven thousand, one hundred twenty-one".