1012220001001 has 8 divisors (see below), whose sum is σ = 1104249734784. Its totient is φ = 920191889520.

The previous prime is 1012220000933. The next prime is 1012220001031. The reversal of 1012220001001 is 1001000222101.

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

It is a cyclic number.

It is not a de Polignac number, because 1012220001001 - 2¹⁵ = 1012219968233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012220001031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1162720 + ... + 1837486.

It is an arithmetic number, because the mean of its divisors is an integer number (138031216848).

Almost surely, 2^{1012220001001} is an apocalyptic number.

1012220001001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012220001001 is a deficient number, since it is larger than the sum of its proper divisors (92029733783).

1012220001001 is a wasteful number, since it uses less digits than its factorization.

1012220001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811151.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1012220001001 its reverse (1001000222101), we get a palindrome (2013220223102).

The spelling of 1012220001001 in words is "one trillion, twelve billion, two hundred twenty million, one thousand, one".