11120120202121 has 16 divisors (see below), whose sum is σ = 12836257499520. Its totient is φ = 9435895372800.

The previous prime is 11120120202109. The next prime is 11120120202161. The reversal of 11120120202121 is 12120202102111.

It is a cyclic number.

It is not a de Polignac number, because 11120120202121 - 2²¹ = 11120118104969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11120120202095 and 11120120202104.

It is not an unprimeable number, because it can be changed into a prime (11120120202161) 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, 4244610 + ... + 6344836.

It is an arithmetic number, because the mean of its divisors is an integer number (802266093720).

Almost surely, 2^{11120120202121} is an apocalyptic number.

It is an amenable number.

11120120202121 is a deficient number, since it is larger than the sum of its proper divisors (1716137297399).

11120120202121 is a wasteful number, since it uses less digits than its factorization.

11120120202121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107824.

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

Adding to 11120120202121 its reverse (12120202102111), we get a palindrome (23240322304232).

The spelling of 11120120202121 in words is "eleven trillion, one hundred twenty billion, one hundred twenty million, two hundred two thousand, one hundred twenty-one".