111012000121005 has 8 divisors (see below), whose sum is σ = 177619200193632. Its totient is φ = 59206400064528.

The previous prime is 111012000120943. The next prime is 111012000121013. The reversal of 111012000121005 is 500121000210111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111012000121005 - 2¹⁰ = 111012000119981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 7400800008067 = 111012000121005 / (1 + 1 + 1 + 0 + 1 + 2 + 0 + 0 + 0 + 1 + 2 + 1 + 0 + 0 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3700400004019 + ... + 3700400004048.

It is an arithmetic number, because the mean of its divisors is an integer number (22202400024204).

Almost surely, 2^{111012000121005} is an apocalyptic number.

111012000121005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111012000121005 is a deficient number, since it is larger than the sum of its proper divisors (66607200072627).

111012000121005 is an equidigital number, since it uses as much as digits as its factorization.

111012000121005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7400800008075.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 111012000121005 its reverse (500121000210111), we get a palindrome (611133000331116).

The spelling of 111012000121005 in words is "one hundred eleven trillion, twelve billion, one hundred twenty-one thousand, five".