1110020002001 has 4 divisors (see below), whose sum is σ = 1128833900400. Its totient is φ = 1091206103604.

The previous prime is 1110020001989. The next prime is 1110020002027. The reversal of 1110020002001 is 1002000200111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1110020002001 - 2¹⁰ = 1110020000977 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 1110020002001.

It is not an unprimeable number, because it can be changed into a prime (1110020002031) 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, 9406949111 + ... + 9406949228.

It is an arithmetic number, because the mean of its divisors is an integer number (282208475100).

Almost surely, 2^{1110020002001} is an apocalyptic number.

It is an amenable number.

1110020002001 is a deficient number, since it is larger than the sum of its proper divisors (18813898399).

1110020002001 is an equidigital number, since it uses as much as digits as its factorization.

1110020002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18813898398.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 1110020002001 its reverse (1002000200111), we get a palindrome (2112020202112).

It can be divided in two parts, 11 and 10020002001, that multiplied together give a palindrome (110220022011).

The spelling of 1110020002001 in words is "one trillion, one hundred ten billion, twenty million, two thousand, one".