2020121112203 has 4 divisors (see below), whose sum is σ = 2138951765880. Its totient is φ = 1901290458528.

The previous prime is 2020121112127. The next prime is 2020121112287. The reversal of 2020121112203 is 3022111210202.

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

It is a cyclic number.

It is not a de Polignac number, because 2020121112203 - 2¹² = 2020121108107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 118830653659 = 2020121112203 / (2 + 0 + 2 + 0 + 1 + 2 + 1 + 1 + 1 + 2 + 2 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020121118203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59415326813 + ... + 59415326846.

It is an arithmetic number, because the mean of its divisors is an integer number (534737941470).

Almost surely, 2^{2020121112203} is an apocalyptic number.

2020121112203 is a deficient number, since it is larger than the sum of its proper divisors (118830653677).

2020121112203 is a wasteful number, since it uses less digits than its factorization.

2020121112203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118830653676.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2020121112203 its reverse (3022111210202), we get a palindrome (5042232322405).

The spelling of 2020121112203 in words is "two trillion, twenty billion, one hundred twenty-one million, one hundred twelve thousand, two hundred three".