2020122011 has 4 divisors (see below), whose sum is σ = 2022023472. Its totient is φ = 2018220552.

The previous prime is 2020122007. The next prime is 2020122017. The reversal of 2020122011 is 1102210202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1102210202 = 2 ⋅551105101.

It is a cyclic number.

It is not a de Polignac number, because 2020122011 - 2² = 2020122007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020121983 and 2020122001.

It is not an unprimeable number, because it can be changed into a prime (2020122017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949136 + ... + 951261.

It is an arithmetic number, because the mean of its divisors is an integer number (505505868).

Almost surely, 2^2020122011 is an apocalyptic number.

2020122011 is a deficient number, since it is larger than the sum of its proper divisors (1901461).

2020122011 is a wasteful number, since it uses less digits than its factorization.

2020122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901460.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2020122011 is about 44945.7674425524. The cubic root of 2020122011 is about 1264.1323156615.

Adding to 2020122011 its reverse (1102210202), we get a palindrome (3122332213).

The spelling of 2020122011 in words is "two billion, twenty million, one hundred twenty-two thousand, eleven".