1011100020001 has 8 divisors (see below), whose sum is σ = 1032881391360. Its totient is φ = 989329840608.

The previous prime is 1011100019983. The next prime is 1011100020019. The reversal of 1011100020001 is 1000200011101.

1011100020001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1011100019983) and next prime (1011100020019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011100020001 - 2⁷ = 1011100019873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011100020041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2615236 + ... + 2976853.

It is an arithmetic number, because the mean of its divisors is an integer number (129110173920).

Almost surely, 2^{1011100020001} is an apocalyptic number.

It is an amenable number.

1011100020001 is a deficient number, since it is larger than the sum of its proper divisors (21781371359).

1011100020001 is an equidigital number, since it uses as much as digits as its factorization.

1011100020001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5595983.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 1011100020001 its reverse (1000200011101), we get a palindrome (2011300031102).

The spelling of 1011100020001 in words is "one trillion, eleven billion, one hundred million, twenty thousand, one".