1012220221001 has 16 divisors (see below), whose sum is σ = 1120052769408. Its totient is φ = 907029110400.

The previous prime is 1012220220971. The next prime is 1012220221007. The reversal of 1012220221001 is 1001220222101.

It is a cyclic number.

It is not a de Polignac number, because 1012220221001 - 2⁶ = 1012220220937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012220221007) 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, 3267125 + ... + 3563501.

It is an arithmetic number, because the mean of its divisors is an integer number (70003298088).

Almost surely, 2^{1012220221001} is an apocalyptic number.

1012220221001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1012220221001 is a deficient number, since it is larger than the sum of its proper divisors (107832548407).

1012220221001 is a wasteful number, since it uses less digits than its factorization.

1012220221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300832.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1012220221001 its reverse (1001220222101), we get a palindrome (2013440443102).

The spelling of 1012220221001 in words is "one trillion, twelve billion, two hundred twenty million, two hundred twenty-one thousand, one".