2020111122011 has 16 divisors (see below), whose sum is σ = 2056139624448. Its totient is φ = 1984371004800.

The previous prime is 2020111121939. The next prime is 2020111122013. The reversal of 2020111122011 is 1102211110202.

It is a cyclic number.

It is not a de Polignac number, because 2020111122011 - 2¹⁰ = 2020111120987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020111122013) 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, 34228850 + ... + 34287816.

It is an arithmetic number, because the mean of its divisors is an integer number (128508726528).

Almost surely, 2^{2020111122011} is an apocalyptic number.

2020111122011 is a deficient number, since it is larger than the sum of its proper divisors (36028502437).

2020111122011 is a wasteful number, since it uses less digits than its factorization.

2020111122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61402.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2020111122011 its reverse (1102211110202), we get a palindrome (3122322232213).

The spelling of 2020111122011 in words is "two trillion, twenty billion, one hundred eleven million, one hundred twenty-two thousand, eleven".