1010011101001 has 12 divisors (see below), whose sum is σ = 1175013986448. Its totient is φ = 865647822312.

The previous prime is 1010011100999. The next prime is 1010011101007. The reversal of 1010011101001 is 1001011100101.

It is a happy number.

It is not a de Polignac number, because 1010011101001 - 2¹ = 1010011100999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010011101007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336891 + ... + 1460656.

It is an arithmetic number, because the mean of its divisors is an integer number (97917832204).

Almost surely, 2^{1010011101001} is an apocalyptic number.

It is an amenable number.

1010011101001 is a deficient number, since it is larger than the sum of its proper divisors (165002885447).

1010011101001 is a wasteful number, since it uses less digits than its factorization.

1010011101001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809028 (or 1809021 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1010011101001 its reverse (1001011100101), we get a palindrome (2011022201102).

The spelling of 1010011101001 in words is "one trillion, ten billion, eleven million, one hundred one thousand, one".