20200001110121 has 16 divisors (see below), whose sum is σ = 23233111061760. Its totient is φ = 17203743385920.

The previous prime is 20200001110103. The next prime is 20200001110241. The reversal of 20200001110121 is 12101110000202.

It is not a de Polignac number, because 20200001110121 - 2¹⁸ = 20200000847977 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 (20200001110621) 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, 117002300 + ... + 117174818.

It is an arithmetic number, because the mean of its divisors is an integer number (1452069441360).

Almost surely, 2^{20200001110121} is an apocalyptic number.

It is an amenable number.

20200001110121 is a deficient number, since it is larger than the sum of its proper divisors (3033109951639).

20200001110121 is a wasteful number, since it uses less digits than its factorization.

20200001110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279224.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20200001110121 its reverse (12101110000202), we get a palindrome (32301111110323).

The spelling of 20200001110121 in words is "twenty trillion, two hundred billion, one million, one hundred ten thousand, one hundred twenty-one".