1012200011101 has 4 divisors (see below), whose sum is σ = 1031298124572. Its totient is φ = 993101897632.

The previous prime is 1012200011093. The next prime is 1012200011167. The reversal of 1012200011101 is 1011100022101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 789556644900 + 222643366201 = 888570^2 + 471851^2 .

It is a cyclic number.

It is not a de Polignac number, because 1012200011101 - 2³ = 1012200011093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012200011171) 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, 9549056656 + ... + 9549056761.

It is an arithmetic number, because the mean of its divisors is an integer number (257824531143).

Almost surely, 2^{1012200011101} is an apocalyptic number.

It is an amenable number.

1012200011101 is a deficient number, since it is larger than the sum of its proper divisors (19098113471).

1012200011101 is an equidigital number, since it uses as much as digits as its factorization.

1012200011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19098113470.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1012200011101 its reverse (1011100022101), we get a palindrome (2023300033202).

It can be divided in two parts, 10122000 and 11101, that added together give a palindrome (10133101).

The spelling of 1012200011101 in words is "one trillion, twelve billion, two hundred million, eleven thousand, one hundred one".