11102212202121 has 16 divisors (see below), whose sum is σ = 16474293246400. Its totient is φ = 7389517641984.

The previous prime is 11102212202083. The next prime is 11102212202141. The reversal of 11102212202121 is 12120221220111.

11102212202121 is a `hidden beast` number, since 1 + 1 + 10 + 221 + 220 + 212 + 1 = 666.

11102212202121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11102212202121 - 2¹⁴ = 11102212185737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11102212202094 and 11102212202103.

It is not an unprimeable number, because it can be changed into a prime (11102212202141) 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, 332126296 + ... + 332159721.

It is an arithmetic number, because the mean of its divisors is an integer number (1029643327900).

Almost surely, 2^{11102212202121} is an apocalyptic number.

It is an amenable number.

11102212202121 is a deficient number, since it is larger than the sum of its proper divisors (5372081044279).

11102212202121 is an equidigital number, since it uses as much as digits as its factorization.

11102212202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664286645 (or 664286639 counting only the distinct ones).

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

Adding to 11102212202121 its reverse (12120221220111), we get a palindrome (23222433422232).

The spelling of 11102212202121 in words is "eleven trillion, one hundred two billion, two hundred twelve million, two hundred two thousand, one hundred twenty-one".