1012000221105 has 8 divisors (see below), whose sum is σ = 1619200353792. Its totient is φ = 539733451248.

The previous prime is 1012000221101. The next prime is 1012000221131. The reversal of 1012000221105 is 5011220002101.

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

It is not a de Polignac number, because 1012000221105 - 2² = 1012000221101 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: 67466681407 = 1012000221105 / (1 + 0 + 1 + 2 + 0 + 0 + 0 + 2 + 2 + 1 + 1 + 0 + 5).

It is not an unprimeable number, because it can be changed into a prime (1012000221101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33733340689 + ... + 33733340718.

It is an arithmetic number, because the mean of its divisors is an integer number (202400044224).

Almost surely, 2^{1012000221105} is an apocalyptic number.

1012000221105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1012000221105 is a deficient number, since it is larger than the sum of its proper divisors (607200132687).

1012000221105 is an equidigital number, since it uses as much as digits as its factorization.

1012000221105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67466681415.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 1012000221105 its reverse (5011220002101), we get a palindrome (6023220223206).

The spelling of 1012000221105 in words is "one trillion, twelve billion, two hundred twenty-one thousand, one hundred five".