11201011022121 has 8 divisors (see below), whose sum is σ = 14938996511424. Its totient is φ = 7465183107120.

The previous prime is 11201011022111. The next prime is 11201011022153. The reversal of 11201011022121 is 12122011010211.

It is a happy number.

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

It is not a de Polignac number, because 11201011022121 - 2⁹ = 11201011021609 is a prime.

It is a super-2 number, since 2×11201011022121² (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 11201011022121.

It is not an unprimeable number, because it can be changed into a prime (11201011022111) 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, 539381461 + ... + 539402226.

It is an arithmetic number, because the mean of its divisors is an integer number (1867374563928).

Almost surely, 2^{11201011022121} is an apocalyptic number.

It is an amenable number.

11201011022121 is a deficient number, since it is larger than the sum of its proper divisors (3737985489303).

11201011022121 is a wasteful number, since it uses less digits than its factorization.

11201011022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078787151.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 11201011022121 its reverse (12122011010211), we get a palindrome (23323022032332).

The spelling of 11201011022121 in words is "eleven trillion, two hundred one billion, eleven million, twenty-two thousand, one hundred twenty-one".