1001110022001 has 32 divisors (see below), whose sum is σ = 1491640387200. Its totient is φ = 663576338880.

The previous prime is 1001110021999. The next prime is 1001110022027. The reversal of 1001110022001 is 1002200111001.

It is a happy number.

It is not a de Polignac number, because 1001110022001 - 2¹ = 1001110021999 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 (1001110022201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44244471 + ... + 44267091.

It is an arithmetic number, because the mean of its divisors is an integer number (46613762100).

Almost surely, 2^{1001110022001} is an apocalyptic number.

It is an amenable number.

1001110022001 is a deficient number, since it is larger than the sum of its proper divisors (490530365199).

1001110022001 is a wasteful number, since it uses less digits than its factorization.

1001110022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31966 (or 31960 counting only the distinct ones).

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

Adding to 1001110022001 its reverse (1002200111001), we get a palindrome (2003310133002).

The spelling of 1001110022001 in words is "one trillion, one billion, one hundred ten million, twenty-two thousand, one".