1001110102001 has 4 divisors (see below), whose sum is σ = 1025527421604. Its totient is φ = 976692782400.

The previous prime is 1001110101991. The next prime is 1001110102009. The reversal of 1001110102001 is 1002010111001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13966512400 + 987143589601 = 118180^2 + 993551^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001110102001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1001110102001.

It is not an unprimeable number, because it can be changed into a prime (1001110102009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12208659740 + ... + 12208659821.

It is an arithmetic number, because the mean of its divisors is an integer number (256381855401).

Almost surely, 2^{1001110102001} is an apocalyptic number.

It is an amenable number.

1001110102001 is a deficient number, since it is larger than the sum of its proper divisors (24417319603).

1001110102001 is an equidigital number, since it uses as much as digits as its factorization.

1001110102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24417319602.

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

Adding to 1001110102001 its reverse (1002010111001), we get a palindrome (2003120213002).

The spelling of 1001110102001 in words is "one trillion, one billion, one hundred ten million, one hundred two thousand, one".