111012302132221 has 16 divisors (see below), whose sum is σ = 129022096291200. Its totient is φ = 93540244799808.

The previous prime is 111012302132209. The next prime is 111012302132227. The reversal of 111012302132221 is 122231203210111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111012302132221 - 2¹¹ = 111012302130173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111012302132192 and 111012302132201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012302132227) 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, 145744915 + ... + 146504623.

It is an arithmetic number, because the mean of its divisors is an integer number (8063881018200).

Almost surely, 2^{111012302132221} is an apocalyptic number.

It is an amenable number.

111012302132221 is a deficient number, since it is larger than the sum of its proper divisors (18009794158979).

111012302132221 is an equidigital number, since it uses as much as digits as its factorization.

111012302132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113588.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111012302132221 its reverse (122231203210111), we get a palindrome (233243505342332).

The spelling of 111012302132221 in words is "one hundred eleven trillion, twelve billion, three hundred two million, one hundred thirty-two thousand, two hundred twenty-one".