2020111021216 has 24 divisors (see below), whose sum is σ = 4084582590900. Its totient is φ = 982756712448.

The previous prime is 2020111021189. The next prime is 2020111021217. The reversal of 2020111021216 is 6121201110202.

It can be written as a sum of positive squares in 2 ways, for example, as 1350011610000 + 670099411216 = 1161900^2 + 818596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2020111021193 and 2020111021202.

It is not an unprimeable number, because it can be changed into a prime (2020111021217) 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, 853086241 + ... + 853088608.

Almost surely, 2^{2020111021216} is an apocalyptic number.

It is an amenable number.

2020111021216 is an abundant number, since it is smaller than the sum of its proper divisors (2064471569684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020111021216 is a wasteful number, since it uses less digits than its factorization.

2020111021216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706174896 (or 1706174888 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2020111021216 its reverse (6121201110202), we get a palindrome (8141312131418).

The spelling of 2020111021216 in words is "two trillion, twenty billion, one hundred eleven million, twenty-one thousand, two hundred sixteen".