11111100122101 has 32 divisors (see below), whose sum is σ = 13086854144000. Its totient is φ = 9428811966000.

The previous prime is 11111100122081. The next prime is 11111100122117. The reversal of 11111100122101 is 10122100111111.

It is not a de Polignac number, because 11111100122101 - 2¹⁵ = 11111100089333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111100120101) 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 31 ways as a sum of consecutive naturals, for example, 138414226 + ... + 138494476.

It is an arithmetic number, because the mean of its divisors is an integer number (408964192000).

Almost surely, 2^{11111100122101} is an apocalyptic number.

It is an amenable number.

11111100122101 is a deficient number, since it is larger than the sum of its proper divisors (1975754021899).

11111100122101 is an equidigital number, since it uses as much as digits as its factorization.

11111100122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84294 (or 84280 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11111100122101 its reverse (10122100111111), we get a palindrome (21233200233212).

The spelling of 11111100122101 in words is "eleven trillion, one hundred eleven billion, one hundred million, one hundred twenty-two thousand, one hundred one".