10201110001121 has 4 divisors (see below), whose sum is σ = 10985810770452. Its totient is φ = 9416409231792.

The previous prime is 10201110001051. The next prime is 10201110001129. The reversal of 10201110001121 is 12110001110201.

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 6624986949025 + 3576123052096 = 2573905^2 + 1891064^2 .

It is a cyclic number.

It is not a de Polignac number, because 10201110001121 - 2³⁴ = 10183930131937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10201110001129) 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, 392350384646 + ... + 392350384671.

It is an arithmetic number, because the mean of its divisors is an integer number (2746452692613).

Almost surely, 2^{10201110001121} is an apocalyptic number.

It is an amenable number.

10201110001121 is a deficient number, since it is larger than the sum of its proper divisors (784700769331).

10201110001121 is an equidigital number, since it uses as much as digits as its factorization.

10201110001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784700769330.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 10201110001121 its reverse (12110001110201), we get a palindrome (22311111111322).

The spelling of 10201110001121 in words is "ten trillion, two hundred one billion, one hundred ten million, one thousand, one hundred twenty-one".