1011200200101 has 32 divisors (see below), whose sum is σ = 1843783845120. Its totient is φ = 533380324032.

The previous prime is 1011200200057. The next prime is 1011200200111. The reversal of 1011200200101 is 1010020021101.

It is a happy number.

It is not a de Polignac number, because 1011200200101 - 2³⁰ = 1010126458277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011200200111) 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, 205776990 + ... + 205781903.

It is an arithmetic number, because the mean of its divisors is an integer number (57618245160).

Almost surely, 2^{1011200200101} is an apocalyptic number.

It is an amenable number.

1011200200101 is a deficient number, since it is larger than the sum of its proper divisors (832583645019).

1011200200101 is a wasteful number, since it uses less digits than its factorization.

1011200200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411558922 (or 411558916 counting only the distinct ones).

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

Adding to 1011200200101 its reverse (1010020021101), we get a palindrome (2021220221202).

The spelling of 1011200200101 in words is "one trillion, eleven billion, two hundred million, two hundred thousand, one hundred one".