2020111023121 has 2 divisors, whose sum is σ = 2020111023122. Its totient is φ = 2020111023120.

The previous prime is 2020111023079. The next prime is 2020111023137. The reversal of 2020111023121 is 1213201110202.

It is an a-pointer prime, because the next prime (2020111023137) can be obtained adding 2020111023121 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1973845164096 + 46265859025 = 1404936^2 + 215095^2 .

It is a cyclic number.

It is not a de Polignac number, because 2020111023121 - 2¹¹ = 2020111021073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020111023095 and 2020111023104.

It is not a weakly prime, because it can be changed into another prime (2020111023521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010055511560 + 1010055511561.

It is an arithmetic number, because the mean of its divisors is an integer number (1010055511561).

Almost surely, 2^{2020111023121} is an apocalyptic number.

It is an amenable number.

2020111023121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020111023121 is an equidigital number, since it uses as much as digits as its factorization.

2020111023121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2020111023121 its reverse (1213201110202), we get a palindrome (3233312133323).

The spelling of 2020111023121 in words is "two trillion, twenty billion, one hundred eleven million, twenty-three thousand, one hundred twenty-one".