11201010112121 has 16 divisors (see below), whose sum is σ = 11470472143680. Its totient is φ = 10934288314560.

The previous prime is 11201010112099. The next prime is 11201010112177. The reversal of 11201010112121 is 12121101010211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201010112121 is a prime.

It is a super-2 number, since 2×11201010112121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201010112096 and 11201010112105.

It is not an unprimeable number, because it can be changed into a prime (11201010112021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14699291 + ... + 15442511.

It is an arithmetic number, because the mean of its divisors is an integer number (716904508980).

Almost surely, 2^{11201010112121} is an apocalyptic number.

It is an amenable number.

11201010112121 is a deficient number, since it is larger than the sum of its proper divisors (269462031559).

11201010112121 is a wasteful number, since it uses less digits than its factorization.

11201010112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745064.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11201010112121 its reverse (12121101010211), we get a palindrome (23322111122332).

The spelling of 11201010112121 in words is "eleven trillion, two hundred one billion, ten million, one hundred twelve thousand, one hundred twenty-one".