11202120102121 has 8 divisors (see below), whose sum is σ = 12140661278984. Its totient is φ = 10274556015360.

The previous prime is 11202120102091. The next prime is 11202120102169. The reversal of 11202120102121 is 12120102120211.

It can be written as a sum of positive squares in 4 ways, for example, as 1536518910096 + 9665601192025 = 1239564^2 + 3108955^2 .

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

It is not a de Polignac number, because 11202120102121 - 2¹⁹ = 11202119577833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202120102095 and 11202120102104.

It is not an unprimeable number, because it can be changed into a prime (11202120102221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744270400 + ... + 2744274481.

It is an arithmetic number, because the mean of its divisors is an integer number (1517582659873).

Almost surely, 2^{11202120102121} is an apocalyptic number.

It is an amenable number.

11202120102121 is a deficient number, since it is larger than the sum of its proper divisors (938541176863).

11202120102121 is a wasteful number, since it uses less digits than its factorization.

11202120102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5488545051.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11202120102121 its reverse (12120102120211), we get a palindrome (23322222222332).

The spelling of 11202120102121 in words is "eleven trillion, two hundred two billion, one hundred twenty million, one hundred two thousand, one hundred twenty-one".