11121021101121 has 8 divisors (see below), whose sum is σ = 15608450668320. Its totient is φ = 7023802800672.

The previous prime is 11121021101063. The next prime is 11121021101167. The reversal of 11121021101121 is 12110112012111.

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

It is not a de Polignac number, because 11121021101121 - 2⁷ = 11121021100993 is a prime.

It is a super-2 number, since 2×11121021101121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11121021101121.

It is not an unprimeable number, because it can be changed into a prime (11121021101521) 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, 97552816620 + ... + 97552816733.

It is an arithmetic number, because the mean of its divisors is an integer number (1951056333540).

Almost surely, 2^{11121021101121} is an apocalyptic number.

It is an amenable number.

11121021101121 is a deficient number, since it is larger than the sum of its proper divisors (4487429567199).

11121021101121 is a wasteful number, since it uses less digits than its factorization.

11121021101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195105633375.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 11121021101121 its reverse (12110112012111), we get a palindrome (23231133113232).

The spelling of 11121021101121 in words is "eleven trillion, one hundred twenty-one billion, twenty-one million, one hundred one thousand, one hundred twenty-one".