1000202020112 has 20 divisors (see below), whose sum is σ = 1940655902796. Its totient is φ = 499387593600.

The previous prime is 1000202020063. The next prime is 1000202020121. The reversal of 1000202020112 is 2110202020001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 864780964096 + 135421056016 = 929936^2 + 367996^2 .

It is a super-2 number, since 2×1000202020112² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000202020093 and 1000202020102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44576963 + ... + 44599394.

Almost surely, 2^{1000202020112} is an apocalyptic number.

It is an amenable number.

1000202020112 is a deficient number, since it is larger than the sum of its proper divisors (940453882684).

1000202020112 is an equidigital number, since it uses as much as digits as its factorization.

1000202020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89177066 (or 89177060 counting only the distinct ones).

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

Adding to 1000202020112 its reverse (2110202020001), we get a palindrome (3110404040113).

The spelling of 1000202020112 in words is "one trillion, two hundred two million, twenty thousand, one hundred twelve".