111121010200121 has 16 divisors (see below), whose sum is σ = 117821402664000. Its totient is φ = 104508467206848.

The previous prime is 111121010200097. The next prime is 111121010200129. The reversal of 111121010200121 is 121002010121111.

It is a cyclic number.

It is not a de Polignac number, because 111121010200121 - 2²² = 111121006005817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111121010200096 and 111121010200105.

It is not an unprimeable number, because it can be changed into a prime (111121010200129) 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 15 ways as a sum of consecutive naturals, for example, 35406230 + ... + 38416703.

It is an arithmetic number, because the mean of its divisors is an integer number (7363837666500).

Almost surely, 2^{111121010200121} is an apocalyptic number.

It is an amenable number.

111121010200121 is a deficient number, since it is larger than the sum of its proper divisors (6700392463879).

111121010200121 is a wasteful number, since it uses less digits than its factorization.

111121010200121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73823528.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111121010200121 its reverse (121002010121111), we get a palindrome (232123020321232).

The spelling of 111121010200121 in words is "one hundred eleven trillion, one hundred twenty-one billion, ten million, two hundred thousand, one hundred twenty-one".