11120202122121 has 12 divisors (see below), whose sum is σ = 16062556564548. Its totient is φ = 7413448517664.

The previous prime is 11120202122093. The next prime is 11120202122153. The reversal of 11120202122121 is 12122120202111.

It can be written as a sum of positive squares in 2 ways, for example, as 7489176596496 + 3631025525625 = 2736636^2 + 1905525^2 .

It is not a de Polignac number, because 11120202122121 - 2¹⁰ = 11120202121097 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11120202122094 and 11120202122103.

It is not an unprimeable number, because it can be changed into a prime (11120202120121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2527771 + ... + 5350703.

It is an arithmetic number, because the mean of its divisors is an integer number (1338546380379).

Almost surely, 2^{11120202122121} is an apocalyptic number.

It is an amenable number.

11120202122121 is a deficient number, since it is larger than the sum of its proper divisors (4942354442427).

11120202122121 is a wasteful number, since it uses less digits than its factorization.

11120202122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260632 (or 3260629 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11120202122121 its reverse (12122120202111), we get a palindrome (23242322324232).

The spelling of 11120202122121 in words is "eleven trillion, one hundred twenty billion, two hundred two million, one hundred twenty-two thousand, one hundred twenty-one".