111110120000121 has 32 divisors (see below), whose sum is σ = 163222679479680. Its totient is φ = 66669547392000.

The previous prime is 111110120000101. The next prime is 111110120000147. The reversal of 111110120000121 is 121000021011111.

It is not a de Polignac number, because 111110120000121 - 2¹⁰ = 111110119999097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111110120000097 and 111110120000106.

It is not an unprimeable number, because it can be changed into a prime (111110120000101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69768891 + ... + 71343663.

It is an arithmetic number, because the mean of its divisors is an integer number (5100708733740).

Almost surely, 2^{111110120000121} is an apocalyptic number.

111110120000121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111110120000121 is a deficient number, since it is larger than the sum of its proper divisors (52112559479559).

111110120000121 is a wasteful number, since it uses less digits than its factorization.

111110120000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596057.

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

Adding to 111110120000121 its reverse (121000021011111), we get a palindrome (232110141011232).

The spelling of 111110120000121 in words is "one hundred eleven trillion, one hundred ten billion, one hundred twenty million, one hundred twenty-one", and thus it is an aban number.