202021020112 has 10 divisors (see below), whose sum is σ = 391415726498. Its totient is φ = 101010510048.

The previous prime is 202021020109. The next prime is 202021020121. The reversal of 202021020112 is 211020120202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 129963134016 + 72057886096 = 360504^2 + 268436^2 .

It is a junction number, because it is equal to n+sod(n) for n = 202021020092 and 202021020101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6313156863 + ... + 6313156894.

Almost surely, 2^202021020112 is an apocalyptic number.

It is an amenable number.

202021020112 is a deficient number, since it is larger than the sum of its proper divisors (189394706386).

202021020112 is a wasteful number, since it uses less digits than its factorization.

202021020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626313765 (or 12626313759 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 202021020112 its reverse (211020120202), we get a palindrome (413041140314).

The spelling of 202021020112 in words is "two hundred two billion, twenty-one million, twenty thousand, one hundred twelve".