11011100102121 has 16 divisors (see below), whose sum is σ = 17765808568704. Its totient is φ = 5921936189184.

The previous prime is 11011100102111. The next prime is 11011100102131. The reversal of 11011100102121 is 12120100111011.

It is an interprime number because it is at equal distance from previous prime (11011100102111) and next prime (11011100102131).

It is not a de Polignac number, because 11011100102121 - 2⁷ = 11011100101993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11011100102097 and 11011100102106.

It is not an unprimeable number, because it can be changed into a prime (11011100102111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15421708470 + ... + 15421709183.

It is an arithmetic number, because the mean of its divisors is an integer number (1110363035544).

Almost surely, 2^{11011100102121} is an apocalyptic number.

It is an amenable number.

11011100102121 is a deficient number, since it is larger than the sum of its proper divisors (6754708466583).

11011100102121 is a wasteful number, since it uses less digits than its factorization.

11011100102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30843417680.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11011100102121 its reverse (12120100111011), we get a palindrome (23131200213132).

The spelling of 11011100102121 in words is "eleven trillion, eleven billion, one hundred million, one hundred two thousand, one hundred twenty-one".