111302131132121 has 16 divisors (see below), whose sum is σ = 112650803758080. Its totient is φ = 109961275831680.

The previous prime is 111302131132117. The next prime is 111302131132139. The reversal of 111302131132121 is 121231131203111.

It is a cyclic number.

It is not a de Polignac number, because 111302131132121 - 2² = 111302131132117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111302131132141) 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, 795132680 + ... + 795272646.

It is an arithmetic number, because the mean of its divisors is an integer number (7040675234880).

Almost surely, 2^{111302131132121} is an apocalyptic number.

It is an amenable number.

111302131132121 is a deficient number, since it is larger than the sum of its proper divisors (1348672625959).

111302131132121 is a wasteful number, since it uses less digits than its factorization.

111302131132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167824.

The product of its (nonzero) digits is 216, while the sum is 23.

Adding to 111302131132121 its reverse (121231131203111), we get a palindrome (232533262335232).

The spelling of 111302131132121 in words is "one hundred eleven trillion, three hundred two billion, one hundred thirty-one million, one hundred thirty-two thousand, one hundred twenty-one".