2020212101011 has 4 divisors (see below), whose sum is σ = 2175613031872. Its totient is φ = 1864811170152.

The previous prime is 2020212101003. The next prime is 2020212101027. The reversal of 2020212101011 is 1101012120202.

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 2020212101011 - 2³ = 2020212101003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 155400930847 = 2020212101011 / (2 + 0 + 2 + 0 + 2 + 1 + 2 + 1 + 0 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020212100982 and 2020212101000.

It is not an unprimeable number, because it can be changed into a prime (2020212101911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77700465411 + ... + 77700465436.

It is an arithmetic number, because the mean of its divisors is an integer number (543903257968).

Almost surely, 2^{2020212101011} is an apocalyptic number.

2020212101011 is a deficient number, since it is larger than the sum of its proper divisors (155400930861).

2020212101011 is a wasteful number, since it uses less digits than its factorization.

2020212101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155400930860.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2020212101011 its reverse (1101012120202), we get a palindrome (3121224221213).

It can be divided in two parts, 202021 and 2101011, that added together give a palindrome (2303032).

The spelling of 2020212101011 in words is "two trillion, twenty billion, two hundred twelve million, one hundred one thousand, eleven".