1011100200001 has 16 divisors (see below), whose sum is σ = 1074641817600. Its totient is φ = 951304194624.

The previous prime is 1011100199971. The next prime is 1011100200017. The reversal of 1011100200001 is 1000020011101.

It is not a de Polignac number, because 1011100200001 - 2²³ = 1011091811393 is a prime.

It is a super-2 number, since 2×1011100200001² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011100200301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15290656 + ... + 15356638.

It is an arithmetic number, because the mean of its divisors is an integer number (67165113600).

Almost surely, 2^{1011100200001} is an apocalyptic number.

It is an amenable number.

1011100200001 is a deficient number, since it is larger than the sum of its proper divisors (63541617599).

1011100200001 is an frugal number, since it uses more digits than its factorization.

1011100200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69153 (or 69119 counting only the distinct ones).

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

Adding to 1011100200001 its reverse (1000020011101), we get a palindrome (2011120211102).

The spelling of 1011100200001 in words is "one trillion, eleven billion, one hundred million, two hundred thousand, one".