1001100101012 has 24 divisors (see below), whose sum is σ = 2023614109440. Its totient is φ = 428278117760.

The previous prime is 1001100101011. The next prime is 1001100101123. The reversal of 1001100101012 is 2101010011001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001100101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669183812 + ... + 669185307.

It is an arithmetic number, because the mean of its divisors is an integer number (84317254560).

Almost surely, 2^{1001100101012} is an apocalyptic number.

It is an amenable number.

1001100101012 is an abundant number, since it is smaller than the sum of its proper divisors (1022514008428).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1001100101012 is a wasteful number, since it uses less digits than its factorization.

1001100101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338369151 (or 1338369149 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001100101012 its reverse (2101010011001), we get a palindrome (3102110112013).

The spelling of 1001100101012 in words is "one trillion, one billion, one hundred million, one hundred one thousand, twelve".