11202121011121 has 8 divisors (see below), whose sum is σ = 11346402027744. Its totient is φ = 11058061797120.

The previous prime is 11202121011079. The next prime is 11202121011127. The reversal of 11202121011121 is 12111012120211.

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

It is a cyclic number.

It is not a de Polignac number, because 11202121011121 - 2⁹ = 11202121010609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202121011095 and 11202121011104.

It is not an unprimeable number, because it can be changed into a prime (11202121011127) 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, 55348995 + ... + 55551016.

It is an arithmetic number, because the mean of its divisors is an integer number (1418300253468).

Almost surely, 2^{11202121011121} is an apocalyptic number.

It is an amenable number.

11202121011121 is a deficient number, since it is larger than the sum of its proper divisors (144281016623).

11202121011121 is a wasteful number, since it uses less digits than its factorization.

11202121011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110901311.

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

Adding to 11202121011121 its reverse (12111012120211), we get a palindrome (23313133131332).

The spelling of 11202121011121 in words is "eleven trillion, two hundred two billion, one hundred twenty-one million, eleven thousand, one hundred twenty-one".