1010011220001 has 80 divisors (see below), whose sum is σ = 1748782387968. Its totient is φ = 568969920000.

The previous prime is 1010011219991. The next prime is 1010011220021. The reversal of 1010011220001 is 1000221100101.

It is a happy number.

It is not a de Polignac number, because 1010011220001 - 2⁶ = 1010011219937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1010011220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 112206501 + ... + 112215501.

Almost surely, 2^{1010011220001} is an apocalyptic number.

It is an amenable number.

1010011220001 is a deficient number, since it is larger than the sum of its proper divisors (738771167967).

1010011220001 is an equidigital number, since it uses as much as digits as its factorization.

1010011220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11804 (or 11795 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1010011220001 its reverse (1000221100101), we get a palindrome (2010232320102).

The spelling of 1010011220001 in words is "one trillion, ten billion, eleven million, two hundred twenty thousand, one".